世界的问题在于愚蠢的人自以为是，而聪明的人充满怀疑。

最让我兴奋的是基础科学改变医学的潜力。

诗人是一个总是说真话的骗子。

The will of the people, moreover, practically means the will of the most numerous or the most active part of the people; the majority, or those who succeed in making themselves accepted as the majority; the people, consequently may desire to oppress a part of their number; and precautions are as much needed against this as against any other abuse of power. The limitation, therefore, of the power of government over individuals loses none of its importance when the holders of power are regularly accountable to the community, that is, to the strongest party therein

The task of psychology is to reduce complex mental phenomena to their simplest components.