"Ambition often puts men upon doing the meanest offices; so climbing is performed in the same posture with creeping."

"It is computed, that eleven thousand persons have at several times suffered death, rather than submit to break their eggs at the smaller end."

"The only difference between a wise man and a fool is that a wise man knows he is a fool, and a fool thinks he is wise."

"I have always been a great admirer of the proverb, 'Necessity is the mother of invention'."

"Every man desires to live long, but no man would be old."