Numbers are the highest degree of knowledge. It is knowledge itself.

I know too well that these arguments from probabilities are imposters, and unless great caution is observed in the use of them, they are apt to be deceptive.

Necessity, who is the mother of our invention.

Boys should abstain from all use of wine until their eighteenth year, for it is wrong to add fire to fire.

Harmony is a symphony, and symphony is an agreement; but an agreement of disagreements while they disagree there cannot be; you cannot harmonize that which disagrees.

I shall never alter my ways, not even if I have to die many times.

I do not live to play, but I play in order that I may live, and return with greater zest to the labors of life.