I was a little doubtful about the propriety of going to the Mammoth Cave without a gentleman escort, but if two ladies travel alone they must have the courage of men.

If I were dropped out of a plane into the ocean and told the nearest land was a thousand miles away, I'd still swim. And I'd despise the one who gave up.

Man cannot discover new oceans unless he has the courage to lose sight of the shore.

It takes courage to step out of the line marked 'security' into the line marked 'risk.'

He cleanest expression is that which finds no sphere worthy of itself and makes one.

When you're curious, you find lots of interesting things to do. And one thing it takes to accomplish something is courage.

He is a man of courage who does not run away, but remains at his post and fights against the enemy.

“It takes great deal of courage to see the world in all its tainted glory, and still to love it.

History, despite its wrenching pain, cannot be unlived, but if faced with courage, need not be lived again.