Mental activity is the organism's dialogue with its environment.

Escribir es un acto de rebeldía, una manera de decir que no aceptamos el mundo tal como es.

成功之梯最好是通过踏上机会的横档来攀登。

The system produces needs faster than it can satisfy them.

Some birds are not close, because they are too bright.

When one door is closed, don't you know, another is open.