Some say opportunity knocks only once, that is not true. Opportunity knocks all the time, but you have to be ready for it. If the chance comes, you must have the equipment to take advantage of it.

One who returns to a place sees it with new eyes. Although the place may not have changed, the viewer inevitably has. For the first time things invisible before become suddenly visible.

There will come a time when you believe everything is finished. That will be the beginning.

What people speak of as adventure is something nobody in his right mind would seek out, and it becomes romantic only when one is safely at home.

There's no stopping a man who knows he's in the right and keeps a-coming.

When corruption is visited upon the cities of men, the mountains and the deserts await him. The cities are for money but the high-up hills are purely for the soul.

I have read my books by many lights, hoarding their beauty, their wit or wisdom against the dark days when I would have no book, nor a place to read. I have known hunger of the belly kind many times over, but I have known a worse hunger: the need to know and to learn.