When you work hard enough and correctly, happiness will knock on the door.
当你足够和正确地努力了,幸福便会来敲门的。
心理学必须关注心理操作的实用性。
痛苦的秘诀在于有闲暇去纠结自己是否幸福。
The most pleasing of all sounds, that of your own praise.
The worst enemy of literature is good taste.