'Self conceited' in the Bible

For to keep you from being self-conceited, brothers, I do not want to have a misunderstanding of this uncovered secret, that only temporary insensibility has come upon Israel until the full quota of the heathen peoples comes in,

Keep in harmony with one another; instead of being ambitious, associate with humble folk; never be self-conceited.

We must not become conceited, challenging or provoking one another, envying one another.