a proverb similar to ...

[mir12480]

Hi

could you plz tell me some proverbs similar to the following:
1."Time is gold "

2.Or any to emphasize that every job or work should be given to the proper person and it's specialist
(I wanna use them in an ad.)

Thanks in advance

[trustM]

time is money (?)

[mir12480]

hi
could u plz help me about the 2nd one?

thankx