A diamond cannot be polished without friction, nor a person perfected without trials. Someone is enjoying shade today because someone planted a tree a long time ago.
We are sinful not only because we have eaten of the Tree of Knowledge, but also because we have not yet eaten of the Tree of Life. The state in which we are is sinful, irrespective of guilt.
Remorse is as the heart in which it grows; If that be gentle, it drops balmy dews Of true repentance; but if proud and gloomy, It is the poison tree, that pierced to the inmost, Weeps only tears of poison.
A wild boar was sharpening his tusks upon the trunk of a tree in the forest when a fox came by and asked, Why are you doing that, pray? The huntsmen are not out today and there are no other dangers at hand that I can see. True, my friend, replied the Boar, but the instant my life is in danger, I shall need to use my tusks. There will be no time to sharpen them then.
A sapling must be hedged about for protection, but when it becomes a tree, a hedge would be a hindrance. So there is no need to criticise and condemn the old forms.