I don't know. I imagine good teaching as a circle of earnest people sitting down to ask each other meaningful questions. I don't see it as a handing down of answers.
The real issue is not whether baking biscuits is meaningful, but the extent to which the activity can seem to be so after it has been continuously stretched and subdivided across five thousand lives.
The animals of the world exist for their own reasons. They were not made for humans any more than black people were made for white, or women created for men.
Whenever you want to achieve something, keep your eyes open, concentrate and make sure you know exactly what it is you want. No one can hit their target with their eyes closed.
I think that not criticizing my successor is a statement unto itself, in terms of trying to create an environment where people are able to have a meaningful discussion or debate without trash talk.
Given the scale of life in the cosmos, one human life is no more than a tiny blip. Each one of us is a just visitor to this planet, a guest, who will only stay for a limited time. What greater folly could there be than to spend this short time alone, unhappy or in conflict with our companions? Far better, surely, to use our short time here in living a meaningful life, enriched by our sense of connection with others and being of service to them.