Perhaps it would be better for science, that all criticism should be avowed.

Whenever the work is itself light, it becomes necessary, in order to economize time, to increase the velocity.

Another mode of accumulating power arises from lifting a weight and then allowing it to fall.

For one person who is blessed with the power of invention, many will always be found who have the capacity of applying principles.

On two occasions I have been asked, 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.

A powerful attraction exists, therefore, to the promotion of a study and of duties of all others engrossing the time most completely, and which is less benefited than most others by any acquaintance with science.

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.