Sociology is the science with the greatest number of methods and the least results.

It is not order only, but unexpected order, that has value.

Mathematicians do not study objects, but the relations between objects.

Intuition is more important to discovery than logic.

Why is it that showers and even storms seem to come by chance, so that many people think it quite natural to pray for rain or fine weather, though they would consider it ridiculous to ask for an eclipse by prayer.

. . . by natural selection our mind has adapted itself to the conditions of the external world. It has adopted the geometry most advantageous to the species or, in other words, the most convenient. Geometry is not true, it is advantageous.

[T]he different branches of Arithmetic - Ambition [G]eometry is not true, it is advantageous.