Nine-tenths of wisdom
Nine-tenths of wisdom is being wise in time. ~ Theodore Roosevelt
wise
A fool can throw a stone
A fool can throw a stone in a pond that 100 wise men can not get out. ~ Saul Bellow
A wise man
A wise man is he who does not grieve for the things which he has not, but rejoices for those which he has. ~ Epictetus
A fool thinks himself to be wise
A fool thinks himself to be wise, but a wise man knows himself to be a fool. ~ William Shakespeare