Nothing is more costly, nothing is more sterile, than vengeance.
I love learning, but hate being taught.
A communist is like a crocodile: when it opens its mouth you cannot tell whether it is trying to smile or preparing to eat you up.
Life is a test and this world a place of trial.
Success in life is the ability to move from one mistake to another without loosing enthusiasm.
To improve is to change; to be perfect is to change often.