To live is to choose. But to choose well, you must know who you are and what you stand for, where you want to go and why you want to get there.
History repeats itself, first as tragedy, second as farce.
A man who dares to waste one hour of life has not discovered the value of life
Life can be pulled by goals just as surely as it can be pushed by drives.
Today, more than ever before, life must be characterized by a sense of Universal responsibility, not only nation to nation and human to human, but also human to other forms of life.
You can have it all. Just not all at once.
Until you value yourself, you won't value your time. Until you value your time, you will not do anything with it.
To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.
It is easier to influence strong than weak characters in life.
History is the devil's scripture.
During the first period of a man's life the greatest danger is not to take the risk.
We were all at once terribly alone; and alone we must see it through.
A man who dares to waste one hour of time has not discovered the value of life.
Three things have been difficult to tame: the oceans, fools, and women. We may soon be able to tame the oceans; fools and women will take a little longer.
We must be willing to fail and to appreciate the truth that often 'Life is not a problem to be solved, but a mystery to be lived.'
We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
Everyone seems to have a clear idea of how other people should lead their lives, but none about his or her own.
Nothing exists except atoms and empty space; everything else is opinion.
Anyone who knows anything of history knows that great social changes are impossible without feminine upheaval. Social progress can be measured exactly by the social position of the fair sex, the ugly ones included
Safeguarding the rights of others is the most noble and beautiful end of a human being.
Have no fear of perfection - you'll never reach it.