To say goodbye is to die a little.

The man of knowledge must be able not only to love his enemies but also to hate his friends.

You realize that our mistrust of the future makes it hard to give up the past.

I'm sure the universe is full of intelligent life. It's just been too intelligent to come here.

No one knows for certain how much impact they have on the lives of other people. Oftentimes, we have no clue. Yet we push it just the same.