唯一真实的思想是那些不理解自身的思想。
The only true thoughts are those which do not understand themselves.
It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.
Courage is not the absence of fear, but the triumph over it.
The companies that thrive will be those that view environmental challenges as opportunities for reinvention.
科学是微分方程式，而宗教是边界条件。