To write about oneself is to speak about the world.

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.

时刻准备着。你知道的越多，携带的就越少。

拥有股票的最佳方式是通过指数基金。