All science is either physics or stamp collecting.
Lord Kelvin

Heavier-than-air flying machines are impossible.
Lord Kelvin

In science there is only physics; all the rest is stamp collecting.
Lord Kelvin

Large increases in cost with questionable increases in performance can be tolerated only in race horses and women.
Lord Kelvin

Science is bound, by the everlasting vow of honour, to face fearlessly every problem which can be fairly presented to it.
Lord Kelvin

The atheistic idea is so nonsensical that I cannot put it into words.
Lord Kelvin

The more thoroughly I conduct scientific research, the more I believe that science excludes atheism.
Lord Kelvin

The true measure of a man is what he would do if he knew he would never be caught.
Lord Kelvin