Where love is great, the littlest doubts are fear; where little fears grow great, great love grows there.
The last temptation is the greatest treason: to do the right deed for the wrong reason.
数学的真正力量在于它能够简化复杂的事物，并揭示宇宙的潜在模式。
永远不要低估人类精神的力量。它可以克服最不可能的困难。