当儿童还没有发展起控制能力的时候,让儿童想干什么就干什么是与自由观念相违背的。
生命的意义在于我们如何赋予它意义。
眼界要开阔,就要游鉴名山大川;度量应宏大,须得熟读经史典籍。
Every discovery in science opens up a new set of questions, and that's what makes it so exciting.
I have so much admiration for women who are married with children and work. I don’t know how you all do it.