Education: the path from cocky ignorance to miserable uncertainty.
酸的强度由其提供质子的能力来衡量,碱的强度由其接受质子的能力来衡量。
I don't let anyone else's opinion become my reality.
艺术不是为了逃避现实,而是为了更深刻地理解它。
The book, total expansion of the letter.