Schools need not preach political doctrine to defend democracy. If they shape men capable of critical thought and trained in social attitudes, that is all that is necessary.

Germany had the misfortune of becoming poisoned, first because of plenty, and then because of want.

If you do the same thing over and over again you cannot ever expect a different outcome.

To sense that behind anything that can be experienced there is a something that our mind cannot grasp and whose beauty and sublimity reaches us only indirectly and as a feeble reflection, this is religiousness. In this sense I am religious.

The physicist's greatest tool is his wastebasket.

The more success the quantum theory has, the sillier it looks

Since 99.362% of women love mustache rides, it seems only a fool would have a bare upper lip.