教育儿童，就不需要惩罚成年人。

"Memory is a tricky thing, it can be both a blessing and a curse."

"In the midst of winter, I found there was, within me, an invincible summer."

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

行业间的合作是解决未来能源挑战的关键。