Psychology is the science of mental life.

Simple can be harder than complex: You have to work hard to get your thinking clean to make it simple.

"Escribir es una forma de vivir, de respirar, de existir."

写作是一种不被干扰的说话方式。

写作的行为是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。

Man is born free， and everywhere he is in chains.

无人机的普及将带来效率的革命。