pride comes before a fall
Definition from Wiktionary, the free dictionary
- pride cometh before a fall, pride goes before a fall, pride goeth before a fall, pride wenteth before a fall
- 1611, King James Version of the Bible, Book of Proverbs, 16:18,
- Pride goeth before destruction, and an haughty spirit 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.