社交场中的闲逸令人厌恶的,因为它是被迫的;孤独生活中的闲逸是愉快的,因为它是自由的、出于自愿的。
只有在离别的痛苦中,我们才能看到爱的深度。
失败是有教益的。真正思考的人从失败中学到的东西和从成功中学到的一样多。
The worse a situation becomes, the less it takes to turn it around, the bigger the upside.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.