The question isn't who is going to let me; it's who is going to stop me.

数学不仅仅是一种工具；它是一种思维方式。

One who never turned his back but marched breast forward, never doubted clouds would break.

最好的投资建议往往是最简单的：分散投资、保持低成本并坚持到底。

Writing is a way of making the invisible visible.

别让恐惧阻止你做自己。

The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life. You can turn over a new leaf every hour if you choose.