The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
数学的本质不是使简单的事物复杂化，而是使复杂的事物简单化。
我的音乐是我的日记，记录我的喜怒哀乐。
Life is like a piano. The white keys represent happiness and the black keys show sadness. But as you go through life's journey, remember that the black keys also create music.
Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.
对心灵的研究必须基于直接观察。