These Empty Metaphors,They're All In Vain

I wanna buy new lens...... But I'm stuck and not sure which to buy..... hmmmmmm
VS.

EF 50mm f/1.4 EF 50mm f/1.8

the f/1.2 and f/1.0 is out of the questions. If I have a money printing factory then I'll consider,hehehe.

Or....how bout the EF 28mm f/2.8??

uhhh....help....or suggestions...on any other lenses as well?? If you dont know by now... I'm using a Canon.