Averaging Up on Wining Positions

Has any investment guru (Livermore, Templeton, Loebb, Buffett) written on the above?
If any1 forumer can recall a writing, please post it here. I'm trying to re-check my thoughts on this. Sorry, sound so kancheong but me, am an optimist abt equities.
I've tried searching through the "Investment Gurus" sub-category but it's tough to sieve this from there.
If any1 forumer can recall a writing, please post it here. I'm trying to re-check my thoughts on this. Sorry, sound so kancheong but me, am an optimist abt equities.

I've tried searching through the "Investment Gurus" sub-category but it's tough to sieve this from there.