Give a man a fish and you feed him for a day; teach a man to fish and you feed him for a lifetime
There is an Adage that says....
Give a man a fish and you feed him for a day; teach a man to fish and you feed him for a lifetime.
This is an adage I've heard many times, and very much agree with. Although not through usage of this adage (but through other means), it is something my mother imparted on me many many times.
Obviously, the meaning of this adage is not just about Fish.... The meaning I get from this adage is that it is better to know how to do something for yourself, than to be dependent on others to do it for you.
Now this does not say that you always have to do all your tasks yourself. But it does say you should know how to do it (in case you ever need to do it yourself).
For example, you do not have to cook every single of your meals yourself; but you should know how to Cook. You do not have to fix your car yourself, everytime there is a problem; but you should know how to do the repair and maintenance work yourself, in case you ever need to.