When a thing is scarce, it is precious.
The finest diamond must be cut;Gems unwrought can do nothing useful.
hold back a trick or two in teaching a trade or skill
No matter what good deeds you do, you should always put filial piety to your parents first.
A straw is heavy in a long journey.
huáng
tiān
bù
fù
yǒu
xīn
rén
Where there is a will,there is a way.
