表演不是要成为不同的人。它是在明显不同的事物中找到相似之处,然后在那里找到自己。
Everything is a learning process: any time you fall over, it's just teaching you to stand up the next time.
理解代数簇的算术就是理解其中隐藏的对称性。
让来的来,让去的去。找出剩下的是什么。
The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.