Or if he ask a fish, will he give him a serpent?
If ye then, being evil, know how to give good gifts unto your children, how much more shall your Father which is in heaven give good things to them that ask him?
Therefore all things whatsoever ye would that men should do to you, do ye even so to them: for this is the law and the prophets.
Enter ye in at the strait gate: for wide is the gate, and broad is the way, that leadeth to destruction, and many there be which go in thereat :
References for Matthew 7:13
Because strait is the gate, and narrow is the way, which leadeth unto life, and few there be that find it.
References for Matthew 7:14
Beware of false prophets, which come to you in sheep's clothing, but inwardly they are ravening wolves.
Ye shall know them by their fruits . Do men gather grapes of thorns, or figs of thistles?
Even so every good tree bringeth forth good fruit; but a corrupt tree bringeth forth evil fruit.
A good tree cannot bring forth evil fruit, neither can a corrupt tree bring forth good fruit.
Every tree that bringeth not forth good fruit is hewn down , and cast into the fire.
Wherefore by their fruits ye shall know them.