The most powerful factors in the world are clear ideas in the minds of energetic men of good will. — J. Arthur Thomson Clear Copy Share Image
A prolonged war in which a nation takes part is bound to impoverish the breed, since the character of the breed depends… — J. Arthur Thomson Bounds Copy Share Image
The Doctrine of Evolution states the fact that the present is the child of the past and the parent of the future. — J. Arthur Thomson Biology Copy Share Image
All Nature bristles with the marks of interrogation-among the grass and the petals of flowers, amidst the feathers of birds and the… — J. Arthur Thomson Answers Copy Share Image
Was it not the great philosopher and mathematician Leibnitz who said that the more knowledge advances the more it becomes possible to… — J. Arthur Thomson Book Copy Share Image
The chief end of science is to make things clear, the educative aim is to foster the inquisitive spirit. — J. Arthur Thomson Accounts Copy Share Image
There is no counting the unsolved problems of Natural History. — J. Arthur Thomson Counting Copy Share Image
The man who has grit enough to bring about the afforestation or the irrigation of a country is not less worthy of… — J. Arthur Thomson Conqueror Copy Share Image
