A single act of kindness throws out roots in all directions, and the roots spring up and make new trees. The greatest work that kindness does to others is that it makes them kind themselves.  —Amelia Earhart (1897–1937)

The deepest principle in human nature is the craving to be appreciated.  —William James (1842–1910)

Treat a man as he appears to be, and you make him worse. But treat a man as if he already were what he potentially could be, and you make him what he should be.  —Johann von Goethe (1749–1832)