He does know how much grace is needed. Your mistake is thinking that He does not provide it. He provides exactly what each person needs for salvation. Each person must make the choice to accept it or not. Some don't.
Why do some refuse and some come Shadow? What is the difference ..I will ask you a question that I never seem to get an answer to . Are you smarter,more educated ,holier,more worthy than those that do not come? What makes you different?.
Each person must make the choice to accept it or not. Some don't.
Why did you make that choice?