I long to set foot where no man has trod before.

Our faculties are more fitted to recognize the wonderful structure of a beetle than a Universe.

A grain in the balance will determine which individual shall live and which shall die - which variety or species shall increase in number, and which shall decrease, or finally become extinct.

An agnostic would be the more correct description of my state of mind.

Sympathy for the lowest animals is one of the noblest virtues with which man is endowed.

If I had not been so great an invalid, I should not have done so much as I have accomplished.

It's an awful stretcher to believe that a peacock's tail was thus formed but ... most people just don't get it - I must be a very bad explainer