There are actually two approaches to reside your daily life. One is as if absolutely nothing is really a miracle. The other is as if every little thing is a wonder

It is my belief that the problem of bringing peace to the world on a supranational basis will be solved only by employing Gandhi's method on a larger scale.

The future is an unknown, but a somewhat predictable unknown. To look to the future we must first look back upon the past. That is where the seeds of the future were planted. I never think of the future. It comes soon enough.

A forced faithfulness is a bitter fruit for all concerned.

Discussion and argument are essential parts of science; the greatest talent is the ability to strip a theory until the simple basic idea emerges with clarity.

I have never looked upon ease and happiness as ends in themselves. This ethical basis I call the ideal of the pigsty.

It is the same with people as it is with riding a bike. Only when moving can one comfortably maintain one's balance.