An iron rod can be ground down to become a needle.
More Chinese Proverbs:
If we don't change our direction we're likely to end up where we're headed.Chinese
If we don't change our direction we're likely to end up where we're headed.
Chinese
To know one's self is to know others, for heart can understand heart.
Chinese
You don't need a dog to catch a lame hare.
Chinese
Who teaches me for a day is my father for a lifetime.
Chinese
Whoever tastes from the head of a poppy will not expect any thing from love.
Chinese