This statistical regularity in moral affairs fully establishes their being under the presidency of law. Man is now seen to be an enigma only as an in… - William Rowan Hamilton

If you are interested in the ultimate character of the physical world, or the complete world, and at the present time our only way to understand that is through the mathematical type of reasoning... the great depth of character of the universality of the laws, the relationships of things... I don't know any other way to do it, we don't know any other way to describe it accurately... or to see the interrelationships without it... don't misunderstand me, there are many, many aspects of the world that mathematics is unnecessary for... but we were talking about physics... to not know mathematics is a severe limitation in understanding the world.

There is a familiar formula—perhaps the most compact and famous of all formulas—developed by Euler from a discovery of De Moivre: e^iπ + 1 = 0. ...It appeals equally to the mystic, the scientist, the philosopher, the mathematician.

The number 2 thought of by one man cannot be added to the number 2 thought of by another man so us to make up the number 4.