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.

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

The day will come when the man at the telephone will be able to see the distant person to whom he is speaking.

Observe, Remember, Compare.

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.

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.

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.