Mark 12:30

and you must love the Lord your God with your whole heart, your whole soul, your whole mind, and your whole strength.'

Treasury of Scripture Knowledge

Summary

And thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind, and with all thy strength: this is the first commandment.

General references

Bible References

General references

Matthew 22:36
"Teacher, what sort of command is greatest in the law?"
1 John 4:21
This is the command that we get from Him, that whoever loves God loves his brother too.