Deer-hunter, waste not your arrow on the hare

Similar sayings:

Even a hare will bite when it is cornered Even a hare will bite when it is cornered
Four things come not back: the spoken word, the sped arrow, the past life and the neglected opportunity. Four things come not back: the spoken word, the sped arrow, the past life and the neglected opportunity.
Though you live near a forest, do not waste firewood Though you live near a forest, do not waste firewood
Don’t waste too many stones on one bird Don’t waste too many stones on one bird
Don’t waste good iron for nails or good men for soldiers Don’t waste good iron for nails or good men for soldiers

Chinese sayings and proverbs