But what sin is to the moralist and crime to the jurist so to the scientific man is ignorance.

In the first place, the preparation of the Nobel lecture which I am to give has shown me, even more clearly than I knew before, how many others share with me, often, indeed, have anticipated me, in the discoveries for which you have awarded me the prize.

Chemistry has been termed by the physicist as the messy part of physics, but that is no reason why the physicists should be permitted to make a mess of chemistry when they invade it.

Frederick Soddy Quotes