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We might have learned even from the poets that love is something more stern and splendid than mere kindness. Kindness merely as such, cares not whether its object becomes good or bad, provided only that it escapes suffering. But if God is love, He is by definition more than mere kindness. He has often rebuked us and he has often condemned us but he has never regarded us with contempt. God has paid us the intolerable compliment of loving us. We are therefore, not metaphorically but in very truth a divine work of art. Now, over a sketch made idly to amuse a child, an artist may not take much trouble. But over the magnamopis of an artists life, the work which the artist loves the most, the artist will take endless trouble, and would doubtless thereby give endless trouble to the picture if it were alive. One can imagine, an alive picture, after being rubbed and scraped and recommenced for the tenth time wishing it were only a thumbnail sketch whose making were over in a minute and not a magnamopis. In the same way, it is natural for us to wish God had designed us for a less glorious and less arduous destiny. But then we are wishing not for more love but for less.  ~C.S. Lewis

Hebrews 12:5-6
And you have forgotten the exhortation which speaks to you as to sons:
“My son, do not despise the chastening of the LORD, Nor be discouraged when you are rebuked by Him; For whom the LORD loves He chastens, And scourges every son whom He receives.”