The method of psychology must be as exact as the methods of the natural sciences.

The most powerful tool in business is a simple idea executed well.

Illness is the night-side of life, a more onerous citizenship. Everyone who is born holds dual citizenship, in the kingdom of the well and in the kingdom of the sick.

做你热爱的事，热爱你所做的事。

未来是让技术为人类服务。

The only person who cannot be helped is that individual who blames others.

每一本书都是对文字变革力量的一次信仰行为。