Man," I cried, "how ignorant art thou in thy pride of wisdom!

None but those who have experienced them can conceive of the enticements of science.

Supremely frightful would be the effect of any human endeavor to mock the stupendous mechanism of the Creator of the world.

To examine the causes of life, we must first have recourse to death.

And now, once again, I bid my hideous progeny go forth and prosper. I have an affection for it, for it was the offspring of happy days, when death and grief were but words, which found no true echo in my heart.

I see by your eagerness, and the wonder and hope which your eyes express, my friend, that you expect to be in formed of the secret with which I am acquainted. That cannot be.

The instructor can scarcely give sensibility where it is essentially wanting, nor talent to the unpercipient block. But he can cultivate and direct the affections of the pupil, who puts forth, as a parasite, tendrils by which to cling, not knowing to what - to a supporter or a destroyer.