Tā tíxǐng tuánduì: mòdàojūnxíngzǎo, qiángshǒu rú lín.
He reminded the team: don't think we got there first - strong rivals are everywhere.
Tips
history
A proverb of folk origin collected in the Ming-Qing household anthology 《增广贤文》: 莫道君行早,更有早行人 - 'do not say that you set out early; there is always someone earlier on the road.' A common lesson in humility and competitive awareness, frequently quoted in Chinese schools and business speeches.
usage
Almost always quoted with its twin 更有早行人. The saying is a gentle rebuke: whatever you think is a head start, someone is already ahead of you.