Science is not only compatible with spirituality; it is a profound source of spirituality.

By seeing London, I have seen as much of life as the world can show.

There are no facts, only interpretations.

The joke of our time is the suicide of intention.

Your personal nature seeks its paradise.

Certainty? In this world nothing is certain but death and taxes.

I will not let anyone walk through my mind with their dirty feet.

You’ll miss the best things if you keep your eyes shut.

No temptation can gravitate to a man unless there is that in his heart which is capable of responding to it.

All that you accomplish or fail to accomplish with your life is the direct result of your thoughts.

As long as we believe in absurdities we shall continue to commit atrocities.

No one is useless in this world who lightens the burdens of another.

I am not a saint, unless you think of a saint as a sinner who keeps on trying.

Airplane travel is nature's way of making you look like your passport photo.

In the United States today, we have more than our share of the nattering nabobs of negativism.

A friend doesn't go on a diet because you are fat.

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

We can't become what we need to be by remaining what we are.

Tomorrow is the most important thing in life. Comes into us at midnight very clean. It's perfect when it arrives and it puts itself in our hands. It hopes we've learned something from yesterday.

The future ain't what it used to be.

All animals are equal, but some animals are more equal than others.