Instruction: from Nature

I went past the field of a slacker and by the vineyard of a man lacking judgment. …

And I set my mind to seek and explore by wisdom all that is done under heaven. What a miserable task God has laid upon the sons of men to occupy them! …

To everything there is a season, and a time for every purpose under heaven:

Again I looked, and I considered all the oppression taking place under the sun. I saw the tears of the oppressed, and they had no comforter; the power lay in the hands of their oppressors, and there was no comforter.

Therefore I tell you, do not worry about your life, what you will eat or drink; or about your body, what you will wear. Is not life more than food, and the body more than clothes? …