Sustainability isn't an option—it's a responsibility we owe to future generations.

Idleness is the beginning of all vice, the crown of all virtues.

The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

信任是一点一滴建立起来的，却可能瞬间失去——这适用于商业也适用于生活。

态度上的弱点会变成性格上的弱点。