Common sense consists of those layers of prejudice laid down before the age of 18.

I have always eaten animal flesh with a somewhat guilty conscience.

As far as the laws of mathematics refer to reality, they are not certain, and as far as they are certain, they do not refer to reality.

In the matter of physics, the first lessons should contain nothing but what is experimental and interesting to see. A pretty experiment is in itself often more valuable than twenty formulae extracted from our minds.

All meaningful and lasting change starts first in your imagination and then works its way out. Imagination is more important than knowledge.

Our situation on this earth seems strange. Every one of us appears here involuntarily and uninvited for a short stay, without knowing the whys and the wherefore. In our daily lives we only feel that man is here for the sake of others, for those whom we love and for many other beings whose fate is connected with our own. I am often worried at the thought that my life is based to such a large extent on the work of my fellow human beings and I am aware of my great indebtedness to them.

God does not care about our mathematical difficulties. He integrates empirically.