The greater danger for most of us lies not in setting our aim too high and falling short; but in setting our aim too low, and achieving our mark.

There are some things you can't share without ending up liking each other.

Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric.

I do myself a greater injury in lying than I do him of whom I tell a lie.

The history of exploration has never been driven by exploration. But Columbus himself was a discoverer. So was Magellan. But the people who wrote checks were not. They had other motivations.