Health is the soul that animates all the enjoyments of life, which fade and are tasteless without it.

I don't know if you ever really feel like you've made it.

The math is dead simple: it seems that the frequency of planets able to support life is roughly one percent. In other words, a billion or more such worlds exist in our galaxy alone. That's a lot of acreage, and it takes industrial-strength credulity to believe it's all bleakly barren.

Desire is the starting point of all achievement, not a hope, not a wish, but a keen pulsating desire which transcends everything.

Any passion to collect has some meaning behind it.