The success of liberal democracy depends on the ability of its institutions to adapt to changing circumstances.
The greatest glory in living lies not in never falling, but in rising every time we fall.
世界是一个多样化的地方。
我们手里的金钱是保持自由的一种工具；我们所追求的金钱，则是使自己当奴隶的一种工具。
心理学必须是一门纯粹描述性的科学。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.