Science is bound, by the everlasting vow of honour, to face fearlessly every problem which can be fairly presented to it.
The more thoroughly I conduct scientific research, the more I believe that science excludes atheism.
The atheistic idea is so nonsensical that I cannot put it into words.
The true measure of a man is what he would do if he knew he would never be caught.
Do not imagine that mathematics is hard and crabbed, and repulsive to common sense. It is merely the etherealization of common sense.
Oersted would never have made his great discovery of the action of galvanic currents on magnets had he stopped in his researches to consider in what manner they could possibly be turned to practical account; and so we would not now be able to boast of the wonders done by the electric telegraphs. Indeed, no great law in Natural Philosophy has ever been discovered for its practical implications, but the instances are innumerable of investigations apparently quite useless in this narrow sense of the word which have led to the most valuable results.