John Lubbock

Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.

What we see depends mainly on what we look for.

When important decisions have to be taken, the natural anxiety to come to a right decision will often keep you awake. Nothing, however, is more conducive to healthful sleep than plenty of open air.