He who is not contented with what he has,would not be contented with what he would like to have.
The world is changing rapidly, and we must adapt or be left behind.
海洋养育了数百万人,我们的责任是确保它能为子孙后代继续这样做。
科学尚未教导我们,疯狂是否就是智力的至高境界。