It is the mark of an educated mind to rest satisfied with the degree of precision which the nature of the subject admits and not to seek exactness where only an approximation is possible.

There is no genius who hasn't a touch of insanity.

The goal of war is peace, of business, leisure

The ultimate end...is not knowledge, but action. To be half right on time may be more important than to obtain the whole truth too late.

95% of everything you do is the result of habit.

Happiness is a thing honored and perfect. This seems to be borne out by the fact that it is a first principle or starting-point, since all other things that all men do are done for its sake; and that which is the first principle and cause of things good we agree to be something honorable and divine.

The high-minded man must care more for the truth than for what people think.