“The same sun which melts wax hardens clay. And the same Gospel which melts some persons to repentance hardens others in their sins.” - Charles Spurgeon
"The same sun that melts the wax hardens the clay" means that a single force or circumstance can have vastly different effects depending on the individual or situation it encounters, essentially illustrating how the same event can lead to positive change in some people while hardening or negatively impacting others; it highlights the idea that people react differently to similar situations based on their own nature or disposition.
- source: dear Google AI
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Here comes a bonus phrase: "The same boiling water that softens the potato hardens the egg", which expresses similar meaning.
The questions is: does one want to be a "potato" or an "egg"?
Wait a minute, "In a slang, potato is someone uninteresting, dull, strange, ugly or fat". No-no, I don't ever want to be a "potato" 
But being an "egg" isn't much better: " 'Egg' has become a kind of shorthand for "Internet troll" Twitter (== "X") recently made news by adding a feature that allows users to mute tweets coming from egg accounts." - merriam-webster.com
Uh-oh, a perfect "Catch-22"! 
Okay, let's go back and learn from Wilbur the pig, to stand still and think about what it's like to be alive ... ... 
Wish you all a happyTuesday, with a beautiful and moving song from Joni Mitchell (in 2022 @age 78) to top it up:
