Rest is not idleness, and to lie sometimes on the grass under trees on a summer's day, listening to the murmur of the water, or watching the clouds float across the sky, is by no means a waste of time.
A day of worry is more exhausting than a week of work.
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.
We often hear of people breaking down from overwork, but in nine out of ten they are really suffering from worry or anxiety.
Happiness is a thing to be practiced, like the violin.
