I always tell my students that it's okay to make mistakes, as long as you learn from them.
我总是告诉我的学生，犯错是可以的，只要你从中学习。
To lose one parent may be regarded as a misfortune; to lose both looks like carelessness.
死者离我们并不远。他们在我们的心中和思想中，最终，他们是我们所拥有的一切。
心灵是一个可以在多个层次上分析的复杂系统。
唯一不变的是变化，持续的变化，不可避免的变化，这是当今社会的主导因素。
It goes against the grain of modern education to teach children to program. What fun is there in making plans, acquiring discipline in organizing thoughts, devoting attention to detail and learning to be self-critical?