生活中的唯一限制是你为自己设定的限制。

The mind is divided into parts that sometimes conflict. Like a rider on the back of an elephant, the conscious, reasoning part of the mind has only limited control over the automatic, emotional part.

The most important political development of the last two centuries has been the rise of the modern state.

The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.

作家必须既是梦想家，又是现实主义者。