要成为一个好的数学家，你需要既有直觉又有严谨。
趋势是你的朋友。
Every book is a quotation; and every house is a quotation out of all forests, and mines, and stone quarries; and every man is a quotation from all his ancestors.
Success is measured not just in profits, but in positive impact.
The most powerful works are those that leave space for the viewer to complete.
蒸汽的力量如今已被充分理解，剩下的只是改进实践。