Mathematics teaches us to think logically and creatively at the same time.
心理学家必须不带预设地研究心灵。
Success comes from persistence and the willingness to learn from failures.
Free competition is the great means of increasing the efficiency and prosperity of the economic system.
嫉妒不是病态，而是一种进化出来的防御机制，用来对抗对繁殖成功的威胁。