Matthew 16:25

Mark 8:35 NIV
For whoever wants to save their life will lose it, but whoever loses their life for me and for the gospel will save it.

Matthew 10:39 NIV
Whoever finds their life will lose it, and whoever loses their life for my sake will find it.

Revelation 12:11 NIV
They triumphed over him by the blood of the Lamb and by the word of their testimony; they did not love their lives so much as to shrink from death.