我们不是从祖先那里继承了土地；我们是从子孙那里借来的。

"Sometimes the most important things in life are the ones we can't see or touch, but we can feel them in our hearts."

Science is the knowledge of consequences, and dependence of one fact upon another.

The only way to make sense out of change is to plunge into it, move with it, and join the dance.

每个数学问题都有一个解决方案；有时只是需要时间去找到它。