It must be remembered that while sympathy with joy intensifies the sum of joy in the world., sympathy with pain does not really diminish the amount of pain. It may make man better able to endure evil, but the evil remains.

The best architecture comes from listening - to the site, to the client, to the materials.

理解密码学的关键在于理解它不仅仅是关于保守秘密，而是关于管理信任。

Psychological theories must pass the test of practical experience.