Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible.

不要让恐惧阻止你追逐梦想。

La literatura es un acto de libertad, una forma de escapar de las cadenas que nos atan.

Psychology must look at the utility of consciousness.

The most important thing in a computer system is the file system.

煤矿工人是美国工业实力的无名英雄。

儿童对活动的需要几乎比食物的需要更为强烈。