Doubt must be no more than vigilance, otherwise it can become dangerous.
A man who dares to waste one hour of time has not discovered the value of life.
The man who has no sense of history, is like a man who has no ears or eyes
Humility is really important because it keeps you fresh and new.
Life is a succession of lessons which must be lived to be understood.
During the first period of a man's life the greatest danger is not to take the risk.
Life would be tragic if it weren't funny.
No one has ever become poor by giving.
The way to know life is to love many things.
Begin to see yourself as a soul with a body rather than a body with a soul.
You can't live your life for other people. You've got to do what's right for you, even if it hurts some people you love.
Joy is what happens to us when we allow ourselves to recognize how good things really are.
Old age is by nature rather talkative.
Nothing in life is more remarkable than the unnecessary anxiety which we endure, and generally create ourselves.
It was my care to make my life illustrious not by words more than by deeds.
You only live once, but if you do it right, once is enough.
Open your arms to change, but don't let go of your values.
In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed
We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
There is nothing more frightful than ignorance in action.
Quick sensitivity is inseperable from a ready understanding.
