It is not a very fragrant world, but it is the world you live in.
Success is not final, failure is not fatal: It is the courage to continue that counts.
Internal mental events are irrelevant to the scientific study of behavior.
悲观主义者是这种人:当他可以从两种罪恶中选择时,他把两种都选了。
对承认的渴望,灵魂中的激情部分,是灵魂中最基本的人性部分。