whic is more important, education or opportunity?? why??

Education and opportunity which is more inportant during your process to gain achievement or to be success??

why don't my parrots breed??

I have a pair of budgerigars.I have feed them about 4 years.but they never breed copulate or breed any baby. Who can tell me what is the reason??and how can I let them to copulate and breed babies...

what kind of character you think is the most important for friend?

I think to be a good friends should be brave~To give friends some advids sometimes really need courage.Today I have done such a thing~but my friend seems didn't understand~~