Taken to extremes - if it's not worth doing at 20 then it's not worth doing at 50. If you feel that you don't want to be doing this at 50 then you should probably get out as soon as possible.
He also mentions something to the effect of not being able to take the time to completely understand everything. But the problem is, it doesn't matter if you are being paid or not. Your lifetime will always be a constraint. You will never completely understand everything you are working with.
He also mentions something to the effect of not being able to take the time to completely understand everything. But the problem is, it doesn't matter if you are being paid or not. Your lifetime will always be a constraint. You will never completely understand everything you are working with.