Don't think about starting. Just start.
心灵是一个不断变化的过程流。
数学之美不在于其复杂性,而在于其简洁性以及它揭示的关于宇宙的深刻真理。
The world is changed by your example, not by your opinion.
真正的老师会保护学生免受他个人影响。他激发自信。他将他们的目光从自己引导到激励他的精神。他不会拥有门徒。
The pain of discipline is better than the pain of regret.