An understanding of the natural world is a source of not only great curiosity, but great fulfilment.

Man is not the creature of circumstances, Circumstances are the creatures of men.

If you don't stand for something you will fall for anything.

Let no man pull you low enough to hate him.

The ethos of redemption is realized in self-mastery, by means of temperance, that is, continence of desires.

Where there is anger, there is always pain underneath.

Judge not unless you judge yourself.

Those who see the invisible can do the impossible.

Think no vice so small that you may commit it, and no virtue so small that you may over look it.

It seems essential, in relationships and all tasks, that we concentrate only on what is most significant and important.

In any moment of decision, the best thing you can do is the right thing. The worst thing you can do is nothing.

And no one will listen to us until we listen to ourselves.

Be realistic: Plan for a miracle

The more that you read, the more things you will know. The more that you learn, the more places you'll go.

Judge a man by his questions rather than by his answers.

Never pick a fight with an ugly person, they've got nothing to lose.

It’s your road and yours alone. Others may walk it with you, but no one can walk it for you.

Rational discussion is useful only when there is a significant base of shared assumptions.

What's done can't be undone.

Knowing is not enough, we must apply. Willing is not enough, we must do.

It is not titles that honor men, but men that honor titles.