The best bakers are those who respect tradition but aren't afraid to innovate.

To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.

实现明天的唯一限制将是我们今天的疑虑。

剑鞘保护剑的锋利，自己却满足於它自己的迟钝。