To those who have chosen the profession of medicine, a knowledge of chemistry, and of some branches of natural history, and, indeed, of several other departments of science, affords useful assistance.

As soon as an Analytical Engine exists, it will necessarily guide the future course of the science. Whenever any result is sought by its aid, the question will then arise — by what course of calculation can these results be arrived at by the machine in the shortest time?

The fatigue produced on the muscles of the human frame does not altogether depend on the actual force employed in each effort, but partly on the frequency with which it is exerted.

I have no desire to write my own biography, as long as I have strength and means to do better work.

That the state of knowledge in any country will exert a directive influence on the general system of instruction adopted in it, is a principle too obvious to require investigation.

An object is frequently not seen, from not knowing how to see it, rather than from any defect of the organ of vision.

You will be able to appreciate the influence of such an Engine on the future progress of science. I live in a country which is incapable of estimating it.