最令人兴奋、最具挑战性和最重要的关系是你与自己的关系。
虚假的幸福使人变得刻薄和傲慢,而这种幸福从不传播。真正的幸福使他们善良和明智,而这种幸福总是分享的。
Experience is a good school, but the fees are high.
Mathematics is the language with which God has written the universe.