Progress is impossible without change, and those who cannot change their minds cannot change anything.
It is easy - terribly easy - to shake a man's faith in himself. To take advantage of that, to break a man's spirit is devil's work.
If history repeats itself, and the unexpected always happens, how incapable must Man be of learning from experience.
Life isn't about finding yourself. Life is about creating yourself.
We are made wise not by the recollection of our past, but by the responsibility for our future.
Do not waste your time on Social Questions. What is the matter with the poor is Poverty; what is the matter with the rich is Uselessness.