He who never puts his trust in any man will never be deceived.

One day the world will look upon research upon animals as it now looks upon research on human beings.

There is no object so large but that at a great distance from the eye it does not appear smaller than a smaller object near.

We, by our arts may be called the grandsons of God.

Feathers shall raise men even as they do birds towards heaven :- That is by letters written with their quills.

For once you have tasted flight you will walk the earth with your eyes turned skywards, for there you have been and there you will long to return.

We may call painting the grandchild of nature.