We've found 2 phrases for proud of (0.131 seconds):

hide one's light under a bushel »    For a person to keep some talent or skill hidden from other people. The tone is that a person having a talent which they can be proud of ought not hide it.

pride comes before a fall »    A person who is extremely proud of his or her abilities will often suffer a setback or failure, because he or she tends to be overconfident and to make errors of judgment.

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