Mark 12:30
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.
Mark 8:36
For what shall it profit a man, if he shall gain the whole world, and lose his own soul?
Matthew 16:25
For whosoever will save his life shall lose it: and whosoever will lose his life for my sake shall find it.
Revelation 2:4
Nevertheless I have somewhat against thee, because thou hast left thy first love. 5Remember therefore from whence thou art fallen, and repent, and do the first works; or else I will come unto thee quickly, and will remove thy candlestick out of his place, except thou repent