不把别人所不懂的告诉别人,把别人知道的东西告诉别人。 
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
"I think that the best work comes out of the necessity to do it, not the desire to do it."
心理学必须植根于生物学
La imaginación es el único territorio libre que nos queda.