You don't have to be a person that's always with somebody to be happy. You can be happy alone.
Escribir es un acto de libertad, pero también de responsabilidad.
Quality is never an accident; it is always the result of intelligent effort.
The stock market is a device for transferring money from the impatient to the patient.
数学是模式的科学,而自然利用了每一种可能的模式。
It’s not supposed to be easy. Anyone who finds it easy is stupid.