The most profound discoveries often start with simple observations.
The only source of knowledge is experience.
To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.
思考的过程不是一系列分离的步骤，而是结构转换的连续流动。
Human existence is a small yet unique manifestation in the cosmos; we should cherish and excel in our limited lives.”
"A journey is just as important as the destination, perhaps more so."