A man who dares to waste one hour of life has not discovered the value of life

The earth is like a spaceship that didn't come with an operating manual.

Do what's right for you, as long as it don't hurt no one

Live a balanced life - learn some and think some and draw some and paint some and sing and dance and play and work everyday some.

One of the saddest things in life, is the things one remembers.

Symbols are the imaginative signposts of life.

Old minds are like old horses; you must exercise them if you wish to keep them in working order.

A tragedy means always a man's struggle with that which is stronger than man.

You only live once, but if you do it right, once is enough.

Someone's sitting in the shade today because someone planted a tree a long time ago.

Do not erase the designs the child makes in the soft wax of his inner life.

The highest manifestation of strength is to keep ourselves calm and on our own feet.

We're born alone, we live alone, we die alone. Only through our love and friendship can we create the illusion for the moment that we're not alone.

Science is the most reliable guide for civilization, for life, for success in the world. Searching a guide other than the science is meaning carelessness, ignorance and heresy.

Sometimes - history needs a push.

Amnesty is as good for those who give it as for those who receive it. It has the admirable quality of bestowing mercy on both sides.

Do not wait for the last judgment. It comes every day.

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

To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.

Im not in this world to live up to your expectations and youre not in this world to live up to mine.

Doubt must be no more than vigilance, otherwise it can become dangerous.