100 bitcoins is enough for my retire in 20 years later . If we account bitcoin prise for today for 100 bitcoins it is not enough for to retire but 20 years later it will change and bitcoin price will be good and it will be enough for me for retire.
Its very easy to say that 100 bitcoins will be enough, but we all know that how hard is to earn even a small amount of bitcoins and I am sure there will be many users who still won't have 1 full btc in their wallet.