出自先秦《荀子·性恶》引古语。不知儿子的为人,看看他的朋友就清楚了;不知国君是否贤明,看看他左右的大臣是什么德行就知道了。
The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.
We need to internalize this idea of excellence. Not many folks spend a lot of time trying to be excellent.