Really? All? As in "all" all? Yes. 100% is required of each of these elements of our human being.
What a word of law! Have I ever loved God, even for a moment, with all? With my whole heart? My whole soul, mind, or strength?
Not a chance.
Have I ever done ANYTHING full out, have I ever done anything with my whole heart, soul, mind, or strength?
No. Never. Except maybe love myself. Blech.
"All" isn't exclusively a word of law. Neither is whole. 'All' and 'whole' in the following passages are great words of Gospel comfort:
"On this day shall atonement be made for you to cleanse you. You shall be clean before the Lord from all your sins. It is a Sabbath of solemn rest to you, and you shall afflict yourselves; it is a statute forever. And the priest who is anointed and consecrated as priest in his father's place shall make atonement, wearing the holy linen garments." Leviticus 16:30-32
"For it was indeed fitting that we should have such a high priest, holy, innocent, unstained, separated from sinners, and exalted above the heavens. He has no need, like those high priests, to offer sacrifices daily, first for his own sins and then for those of the people, since he did this once for all when he offered up himself. For the law appoints men in their weakness as high priests, but the word of the oath, which came later than the law, appoints a Son who has been made perfect forever." Hebrews 7:26-28
"Now if we have died with Christ, we believe that we will also live with him. We know that Christ, being raised from the dead, will never die again; death no longer has dominion over him. For the death he died he died to sin, once for all, but the life he lives he lives to God." Romans 6:8-10
"He is the propitiation for our sins, and not for ours only but also for the sins of the whole world." 1 John 2:2
"And I heard a loud voice from the throne saying, “Behold, the dwelling place of God is with man. He will dwell with them, and they will be his people, and God himself will be with them as their God. He will wipe away every tear from their eyes, and death shall be no more, neither shall there be mourning, nor crying, nor pain anymore, for the former things have passed away.” And he who was seated on the throne said, “Behold, I am making all things new.” Also he said, “Write this down, for these words are trustworthy and true.” Revelation 21: 3-5
So, therein lies my hope. I can't muster myself to love the Lord with all of my heart, soul, mind, and strength. But Christ, one who can and did love the Lord with his whole being, and loved His neighbors as Himself, 100% love, does the loving in my place. He has atoned for my lovelessness, for my utter lack.
All glory be to Christ Jesus who loves with all in our place!