Wittgenstein would frequently encouraged students to take up more tangible vocations. He considered the ethical reality of every day as what was important, that when we see that our everyday common life is all there is, then we have found the true religion.
One of my pupils, on my advice, has gone to work at Woolworths, now that is the sort of thing you should do, try and get a job in some large store where you will meet ordinary people. Ludwig Wittgenstein, Sea of Faith with Don Cupitt.
3.332 No proposition can make a statement about itself, because a propositional sign cannot be contained in itself. ...
This is an attempt to create a rule that avoids the errors of logic such as the "barbers paradox", I think we should just accept we have conditions in logic that are false.
For me this ends my investigation of his Tractatus, the rest may be true but only because we agree to say it is so. We can say that propositions are made of elemental objects but we can never say there is a way of making the propositions true, other than by agreement. The best we can do is say a proposition is probably, true, false, or more acceptable than another.