The only fence against the world is a thorough knowledge of it.
La vida es una serie de colisiones con el futuro; no es una suma de lo que hemos sido, sino de lo que anhelamos ser.
我一次只担心一天的生活。
一个人能做的最革命的事情,就是大声宣告正在发生的事情。
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.
The dead are more faithful than the living. They do not change.