Afraid of his own shadow.
More Japanese Proverbs:
Better go without medicine than call in an unskilled physician.Japanese
Without women there is no day and no night.
Japanese
A proposal without patience breaks its own heart.
Japanese
How good at combing is the bald priest.
Japanese
Do not prophesy to the man who can see further than you can.
Japanese
Fortune will call at the smiling gate.
Japanese