数学的力量在于它有能力避免所有不必要的思考，并显著节省脑力劳动。

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Number theory is one of the oldest branches of human knowledge, yet its deepest secrets are closely connected with its most trivial truths. — Smith

Time is a constant, but for the diligent, it is a variable. Those who measure their time in minutes have much more time than those who measure it in hours. — Rebbakov

Give me five coefficients, and I will draw an elephant; give me six, and the elephant will wag its tail. — A. L. Cauchy

A man is like a fraction: his real value is the numerator, while his estimate of himself is the denominator. The larger the denominator, the smaller the value of the fraction. — Tolstoy

There is no Nobel Prize for mathematics, which is perhaps a good thing. The Nobel Prize attracts too much attention and might prevent mathematicians from focusing on their own research. — Shiing-Shen Chern

This is a reliable rule: when an author of a work on mathematics or philosophy writes in obscure and profound language, he is usually talking nonsense.

It may sound strange, but The power of mathematics lies in its ability to avoid all unnecessary thinking and to save mental labor remarkably.

If a person does not know that the diagonal of a square is incommensurable with its side, he does not deserve to be called human. — Plato