海洋不仅是一种资源，保护它是我们对后代的责任。

It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.

城市是一所学校，它的建筑是老师。

Innovation is the soul of an enterprise; without innovation, there is no future.

释义：跟交情浅的朋友说过多的隐私的事情，是愚蠢的。提醒人们在与人交往时，要根据实际情况和关系的深浅，采取适当的态度和行动。