The Art of Flying is but newly invented, twill improve by degrees, and in time grow perfect; then we may fly as far as the Moon.

A true philosopher is like an elephant; he never puts the second foot down until the first one is solidly in place.

In vain we shall penetrate more and more deeply the secrets of the structure of the human body, we shall not dupe nature; we shall die as usual.

If I had my hand full of truth, I would take good care how I opened it.

The Art of Flying is but newly invented, twill improve by degrees, and in time grow perfect; then we may fly as far as the Moon.

I detest war; it ruins conversation

Hardly anyone knows how much is gained by ignoring the future.