One man with a gun can control 100 without one.

A woman may very well form a friendship with a man, but for this to endure, it must be assisted by a little physical antipathy.

Boys will be boys. And even that wouldn't matter if only we could prevent girls from being girls.

It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.

Consistency is contrary to nature, contrary to life. The only completely consistent people are the dead.

Remember that not getting what you want is sometimes a wonderful stroke of luck.

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

Every time I see an adult on a bicycle, I no longer despair for the future of the human race.

Crude classifications and false generalizations are the curse of organized life.

I did then what I knew how to do. Now that I know better, I do better.

Speed and efficiency do not always increase the quality of life.

He who kisses joy as it flies by will live in eternity's sunrise.

What goes up must come down.

The difficulty we have in accepting responsibility for our behaviour lies in the desire to avoid the pain of the consequences of that behaviour

Our life always expresses the result of our dominant thoughts.

Life can only be understood backwards; but it must be lived forwards.

I am convinced we do not only love ourselves in others but hate ourselves in others too.

I'm not sure I'm adult yet.

Life is full of misery, loneliness, and suffering - and it's all over much too soon.

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

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.