It is not a very fragrant world, but it is the world you live in.
Mathematics is the art of asking the right questions and then finding their answers.
心理学必须避免一切形式的心灵主义。
To teach how to live without certainty and yet without being paralyzed by hesitation is perhaps the chief thing that philosophy, in our age, can do for those who study it.
That which does not kill us makes us stronger.
我是你活着的原因,我是你生存的原因。