If you give up everyone will think you give up easily and you don't even try.
Lets link it to space:
If you launch a rocket or satellite to Mars and you don't successed don't worry because there is always next time.Even if people say you can't do it, because if you know you can do it there is no one to stop you from thinking that.Remember to always believe in your self and keep on trying!!!
The thing is,if you didn't have enough money you obviously won't be able to make a rocket but if you had loads of money you can make a rocket. So what i'm trying to say if you do not have enough money don't lose hope because if you don't give up you knows? you might even cross Mars or the
Neil Armstrong was paid $33 to walk on the moon.