Every man's own satisfaction is the centre of all that he looks at.
每个人自己的满足是他关注的一切的中心。
El lenguaje no es sólo un medio de comunicación, es un modo de existencia.
If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
