Night is a more quiet time to work. It aids thought.

Leave the beaten track behind occasionally and dive into the woods.

The nation that secures control of the air will ultimately control the world.

Neither the Army nor the Navy is of any protection, or very little protection, against aerial raids.

Another discovery which came out of my investigation was the fact that when one gives his or her order to produce a definite result and stands by that order, it seems to have the effect of giving one what might be termed a second sight which enables him or her to see right through ordinary problems. What this power is I cannot say; all I know is that it exists and it becomes available only when one is in that state of mind in which he or she knows exactly what one wants and is fully determined not to quit until he or she finds it.

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.

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