Be modest in learning,for complacency is the enemy of study.

学习要虚心,自满是敌人。

Conceit and complacency are the archenemy of unity.

骄傲自满是团结的大敌。

Setbacks can be a good thing, forcing you out of your complacency.

挫折或许是件好事, 它可以迫使你克自满情绪。

Complacency is a drawback to progress.

自满是进步的障碍。

Complacency could easily result in tragedy.

自满容易道致悲剧。