Matthew 20:26 NIV

Mark 10:43 niv
Not so with you. Instead, whoever wants to become great among you must be your servant,

Mark 10:45 niv
For even the Son of Man did not come to be served, but to serve, and to give his life as a ransom for many.”

Mark 9:35 niv
Sitting down, Jesus called the Twelve and said, “Anyone who wants to be first must be the very last, and the servant of all.”