Matthew 7:18

οὐ δύναται δένδρον ἀγαθὸν καρποὺς πονηροὺς ποιεῖν οὐδὲ δένδρον σαπρὸν καρποὺς καλοὺς ποιεῖν
A good tree cannot bring forth evil fruit, neither can a corrupt tree bring forth good fruit.
Word Reference
Original Word Definitions
οὐ
G3756 PRT-N
ou
the absolute negative (compare G3361) adverb; no or not
  • no, not
δύναται
G1410 V-PNI-3S
dynamai
to be able or possible
  • to be able, have power whether by virtue of one's own ability and resources, or of a state of mind, or through favorable circumstances, or by permission of law or custom
    • "to be able to do something"to be capable, strong and powerful
δένδρον
G1186 N-NSN
dendron
a tree
  • a tree
ἀγαθὸν
G18 A-NSN
agathos
___%___good___%___ (in any sense, often as noun)
  • of good constitution or nature
    • "useful, salutary"good, pleasant, agreeable, joyful, happy"excellent, distinguished"upright, honorable
καρποὺς
G2590 N-APM
karpos
fruit (as plucked), literally or figuratively
  • fruit
    • the fruit of the trees, vines, of the fields
      • "the fruit of one's loins, i.e., his progeny, his posterity
    that which originates or comes from something, an effect, result
    • work, act, deed
      • "advantage, profit, utility"praises, which are presented to God as a thank offering"to gather fruit (i.e., a reaped harvest) into life eternal (as into a granary), is used in figuratively discourse of those who by their labors have fitted souls to obtain eternal life
πονηροὺς
G4190 A-APM
ponēros
hurtful, i.e., evil (properly, in effect or influence, and thus differing from G2556, which refers rather to essential character, as well as from G4550, which indicates degeneracy from original virtue); figuratively, calamitous; also (passively) ill, i.e., diseased; but especially (morally) culpable, i.e., derelict, vicious, facinorous; neuter (singular) mischief, malice, or (plural) guilt; masculine (singular) the devil, or (plural) sinners
  • full of labors, annoyances, hardships
    • pressed and harassed by labors
      • "bringing toils, annoyances, perils; of a time full of peril to Christian faith and steadfastness; causing pain and trouble
    bad, of a bad nature or condition
    • in a physical sense: diseased or blind
      • "in an ethical sense: evil wicked, bad
ποιεῖν
G4160 V-PAN
poieō
to make or do (in a very wide application, more or less direct)
  • to make
    • with the names of things made, to produce, construct, form, fashion, etc.
      • "to be the authors of, the cause"to make ready, to prepare"to produce, bear, shoot forth"to acquire, to provide a thing for one's self"to make a thing out of something"to (make i.e.,) render one anything
      • to (make i.e.,) constitute or appoint one anything, to appoint or ordain one that
        • "to (make i.e.,) declare one anything
      to put one forth, to lead him out"to make one do something
      • cause one to
      to be the authors of a thing (to cause, bring about)
    to do
    • to act rightly, do well
      • to carry out, to execute
      to do a thing unto one
      • to do to one
      with designation of time: to pass, spend"to celebrate, keep
      • to make ready, and so at the same time to institute, the celebration of the passover
      to perform: to a promise
οὐδὲ
G3761 CONJ-N
oude
not however, i.e., neither, nor, not even
  • but not, neither, nor, not even
δένδρον
G1186 N-NSN
dendron
a tree
  • a tree
σαπρὸν
G4550 A-NSN
sapros
rotten, i.e., worthless (literally or morally)
  • rotten, putrefied
    • "corrupted by one and no longer fit for use, worn out"of poor quality, bad, unfit for use, worthless
καρποὺς
G2590 N-APM
karpos
fruit (as plucked), literally or figuratively
  • fruit
    • the fruit of the trees, vines, of the fields
      • "the fruit of one's loins, i.e., his progeny, his posterity
    that which originates or comes from something, an effect, result
    • work, act, deed
      • "advantage, profit, utility"praises, which are presented to God as a thank offering"to gather fruit (i.e., a reaped harvest) into life eternal (as into a granary), is used in figuratively discourse of those who by their labors have fitted souls to obtain eternal life
καλοὺς
G2570 A-APM
kalos
properly, beautiful, but chiefly (figuratively) good (literally or morally), i.e., valuable or virtuous (for appearance or use, and thus distinguished from G0018, which is properly intrinsic)
  • beautiful, handsome, excellent, eminent, choice, surpassing, precious, useful, suitable, commendable, admirable
    • beautiful to look at, shapely, magnificent
      • "good, excellent in its nature and characteristics, and therefore well adapted to its ends
      • genuine, approved
        • "precious"joined to names of men designated by their office, competent, able, such as one ought to be"praiseworthy, noble
      beautiful by reason of purity of heart and life, and hence praiseworthy
      • morally good, noble
      honorable, conferring honor"affecting the mind agreeably, comforting and confirming
ποιεῖν
G4160 V-PAN
poieō
to make or do (in a very wide application, more or less direct)
  • to make
    • with the names of things made, to produce, construct, form, fashion, etc.
      • "to be the authors of, the cause"to make ready, to prepare"to produce, bear, shoot forth"to acquire, to provide a thing for one's self"to make a thing out of something"to (make i.e.,) render one anything
      • to (make i.e.,) constitute or appoint one anything, to appoint or ordain one that
        • "to (make i.e.,) declare one anything
      to put one forth, to lead him out"to make one do something
      • cause one to
      to be the authors of a thing (to cause, bring about)
    to do
    • to act rightly, do well
      • to carry out, to execute
      to do a thing unto one
      • to do to one
      with designation of time: to pass, spend"to celebrate, keep
      • to make ready, and so at the same time to institute, the celebration of the passover
      to perform: to a promise

οὐ δύναται δένδρον ἀγαθὸν καρποὺς πονηροὺς ποιεῖν οὐδὲ δένδρον σαπρὸν καρποὺς καλοὺς ποιεῖν
18
A good tree cannot bring forth evil fruit, neither can a corrupt tree bring forth good fruit.
Cross References

Galatians 5:17

ἡ γὰρ σὰρξ ἐπιθυμεῖ κατὰ τοῦ πνεύματος τὸ δὲ πνεῦμα κατὰ τῆς σαρκός ταῦτα δὲ ἀντίκειται ἀλλήλοις ἵνα μὴ ἃ ἂν θέλητε ταῦτα ποιῆτε
17
For the flesh lusteth against the Spirit, and the Spirit against the flesh: and these are contrary the one to the other: so that ye cannot do the things that ye would.

1 John 3:9

πᾶς ὁ γεγεννημένος ἐκ τοῦ Θεοῦ ἁμαρτίαν οὐ ποιεῖ ὅτι σπέρμα αὐτοῦ ἐν αὐτῷ μένει καὶ οὐ δύναται ἁμαρτάνειν ὅτι ἐκ τοῦ Θεοῦ γεγέννηται
9
Whosoever is born of God doth not commit sin; for his seed remaineth in him: and he cannot sin, because he is born of God.
Matthew 7:17
Read Matthew 7
Matthew 7:19