The most superior of scientific goals is to embrace a maximum of experiment with a minimum of hypotheses.

There is nothing divine about morality, it is a purely human affair.

The point is to develop the childlike inclination for play and the childlike desire for recognition and to guide the child over to important fields for society. Such a school demands from the teacher that he be a kind of artist in his province.

The basic laws of the universe are simple, but because our senses are limited, we can’t grasp them. There is a pattern in creation.

To be free means to be independent, not to be influenced by what others think and say.

What a deep faith in the rationality of the structure of the world and what a longing to understand even a small glimpse of the reason revealed in the world there must have been in Kepler and Newton to enable them to unravel the mechanism of the heavens in long years of lonely work!

...Intelligence and character of the masses are incomparably lower than the intelligence and character of the few who produce something valuable for the community.