心理学必须基于事实,而非假设。
国际体系的无政府性质意味着国家必须依靠自助来确保其生存。
投机把你引向错误的道路。它允许你把你的情绪放在第一位,而投资则把情绪排除在外。
Positive psychology is as concerned with strength as with weakness, as interested in building the best things in life as in repairing the worst.
忠于自己,永远不要让任何人削弱你的光芒。