Good luck, 300mh/s has the chance of getting a block in about 231 years and 346 days. Divide that by 8 and that's 1 year and 142 days.
That's why he views it as a lottery... could happen.
I hit a block finding share on my GPU a few months ago before I got into running asics, it can certainly happen
Course I was on a pool, but I just consider it paying back for all those pool earnings in years past before I ever found a block myself.