The smallest indivisible human unit is two, not one.

If we had paid no more attention to our plants than we have to our children, we would now be living in a jungle of weeds.

长时间与计算机接触会使数学家变成文员，反之亦然。

Real music comes from the heart, not for show.

To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others.