Self-governing cultures both inspire alignment and eject elements that don't fit in.

Human beings are natural problem solvers and enjoy the challenge of puzzles. We will always invent new loopholes, and no rule can govern all the cracks.

If you have a dream, FOLLOW IT.

To survive one tragedy was to learn you cannot survive them all, and this knowledge was both a freedom and a great loss.

Aviation - and space travel, in particular - have always been especially captivating.

You still get the sheer quality coming through but you're covered.

Thus, only in a hopeful and confident temper, in a proud and constructive spirit, will we rescue the present and safeguard the future of our beloved country.

When you don't believe something, you can't make yourself believe it. There's nothing you can do to believe it again. You either believe it or you don't.

We're forever teetering on the brink of the unknowable, and trying to understand what can't be understood.

The past was like a bad dream; the future was all happy holiday as I moved Southwards week by week, easily, lazily, lingering as long as I dared, but always heeding the call!

Incompetence annoys me. Overconfidence terrifies me.

We may not need God to tell us where the world came from, but we need God to be able to live moral lives and for there to be morality in the first place.