“A man sooner or later discovers that he is the master-gardener of his soul, the director of his life”

“It is a great misfortune not to possess sufficient wit to speak well, nor sufficient judgment to keep silent”

“The utmost extent of man's knowledge, is to know that he knows nothing”

“It is impossible to underrate human intelligence - beginning with one's own”

“We seldom repent of speaking little, very often of speaking too much: a vulgar and trite maxim, which all the world knows and, but which all the world does not practice”

“From the errors of others, a wise man corrects his own”