If you look for truth, you may find comfort in the end; if you look for comfort you will not get either comfort or truth only soft soap and wishful thinking to begin, and in the end, despair.

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

It is a mania shared by philosophers of all ages to deny what exists and to explain what does not exist.

We shall see but a little way if we require to understand what we see.

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.