试图在不激发学生学习欲望的情况下进行教学的老师，就像在冷铁上敲打。
绘画是一个动词。
君子心中常常体会到的不是人情而是天理；君子口中所常说的不是人伦世故而是世间法理；君子常有的行为不是规矩而是行为的原则。
对于行善，没有别人和自己的区分，抛弃自己的不对，接受人家对的，非常快乐地吸取别人的优点来做好事。
国与国之间是平等的，人与人之间也是平等的，在人格与尊严上是没有贵贱之分的，上天对所有人都是一视同仁的，人生而平等是上天赋予每个人的不可被侵犯的权利。
Success is not measured by profits alone, but by the positive impact we create.
We want to build technology that everybody loves using, and that affects everyone. We want to create beautiful, intuitive services and technologies that are so incredibly useful that people use them twice a day. Like they use a toothbrush. There aren’t that many things people use twice a day.