All mankind is in a perpetual and restless desire for power after power that ceaseth only in death.

A successful farm is one that nourishes both people and the environment.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

I have lived with the prospect of an early death for the last 49 years. I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first.

A mathematician's work is never done; there are always more problems to solve.