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

First words on the first telephone - "Mr. Watson - come here - I want to see you."

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

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.

Don't keep forever on the public road, going only where others have gone and following one after the other like a flock of sheep. Leave the beaten track occasionally and dive into the woods.

We are all too much inclined, I think, to walk through life with our eyes shut. There are things all round us and right at our very feet that we have never seen, because we have never really looked.