Tap even a stone bridge before crossing.
More Korean Proverbs:
Even a monk can't shave his own head.Korean
A nobleman's calf does not know how a butcher kills.
Korean
Words have no wings but they can fly many thousands of miles.
Korean
The bad calligrapher is choosy about his brushes.
Korean
Even children of the same mother look different.
Korean
The deeper the waters are, the more still they run.
Korean