Honesty's the best policy.
A proverb is a short sentence based on long experience.
I know well enough that there have been dogs so loving that they have thrown themselves into the same grave with the dead bodies of their masters.
The bow cannot always stand bent, nor can human frailty subsist without some lawful recreation.
Well-gotten wealth may lose itself, but the ill-gotten loses its master also.
Delay always heeds danger.