“What this power is, I cannot say All I know is that it exists.”

Concentrate all your thoughts upon the work at hand. The sun’s rays do not burn until brought to a focus.

Wherever you may find the inventor, you may give him wealth or you may take from him all that he has; and he will go on inventing. He can no more help inventing that he can help thinking or breathing.

Sometimes we stare so long at a door that is closing that we see too late the one that is open.

I have always considered myself as an Agnostic.

Leave the beaten track behind occasionally and dive into the woods. Every time you do you will be certain to find something you have never seen before.

Observe, Remember, Compare.

The most successful men in the end are those whose success is the result of steady accretion.

God has strewn our paths with wonders and we certainly should not go through life with our eyes shut.

The only difference between success and failure is the ability to take action.

First words on the first telephone – “Mr. Watson – come here – I want to see you.”

Great discoveries and improvements invariably involve the cooperation of many minds.

There cannot be mental atrophy in any person who continues to observe, to remember what he observes, and to seek answers for his unceasing hows and whys about things.

Man is an animal which, alone among the animals, refuses to be satisfied by the fulfillment of animal desires.

I have travelled around the globe. I have seen the Canadian and American Rockies, the Andes, the Alps and the Highlands of Scotland, but for simple beauty, Cape Breton outrivals them all!

You cannot force ideas. Successful ideas are the result of slow growth. Ideas do not reach perfection in a day, no matter how much study is put upon them.

When one door closes, another opens; but we often look so long and so regretfully upon the closed door that we do not see the one which has opened for us.