Do you want to know who you are? Don't ask. Act! Action will delineate and define you.

Success is not final, failure is not fatal: It is the courage to continue that counts.

What we see changes what we know. What we know changes what we see.

管理就是预测和计划、组织、指挥、协调和控制。

Pain is the absence of pleasure, pleasure is the absence of pain.

Complexity is easy; simplicity is hard.