Every artist dips his brush in his own soul, and paints his own nature into his pictures.
The most important thing in mathematics is to ask the right questions.
权力平衡是维持国际体系和平的唯一途径。
世界变化非常快。大不再能打败小，而是快打败慢。
Gratitude will unlock all other virtues and is something you can get better at.