Safety isn't just a policy; it's a culture we must live every day.
自然界的铁律是:你得到你所奖励的。如果你想让蚂蚁来,你就在地板上撒糖。
Three grand essentials to happiness in this life are something to do, something to love, and something to hope for.
The discovery of DNA structure was like unraveling a very complex puzzle.
Abstinence is the worst form of perversion.
The speech we hear is an indication of that which we don't hear.