一个观念的价值在于它的实际后果。
化学之美在于它能够在分子水平上解释世界。
幸福的家庭不过是提前的天堂。
In mining, safety isn't just policy - it's personal.
亲代投资是理解两性交配策略差异的关键。
The best way to predict the future is to invent it.