When we were just kids we were taught not to look back in life, but as we grow up we look backwards so often that we forgot which way is forward. 

突然发现, 世界变了, 然而 无知的我却仍在那儿原地踏步。

Never give up!

Even impossible itself said it is possible

Look back on a great life,

Look forward for a greater one.

Never give up easily.

The best is yet to come...

Practice makes perfect,
so beware of what you are practicing...

2give and 2get create a lot of problems

but

4give and 4get solve a lot of problems

Never complain and never explain,
your enemies don't believe it and your friends don't need it