剑鞘保护剑的锋利，自己却满足於它自己的迟钝。

The human being is not a thing among things; things determine each other, but the human being is ultimately self-determining.

原文英文：The most merciful thing in the world， I think， is the inability of the human mind to correlate all its contents. We live on a placid island of ignorance in the midst of black seas of infinity， and it was not meant that we should voyage far.

Trust is a precious wealth built on the foundation of honesty and loyalty.

I have learned to seek my happiness by limiting my desires， rather than in attempting to satisfy them.

The goal of education is not to increase the amount of knowledge but to create the possibilities for a child to invent and discover, to create men who are capable of doing new things.

"Writing is an act of courage."

对自己温柔点，你已经在尽力了。

We innovate by starting with the customer and working backwards. That becomes the touchstone for how we invent.

O homem superior é aquele que cumpre o seu dever, sem se preocupar com o resultado.

Writing is not therapy, it's truth-seeking.

"The game is afoot."