Finally, about the study of philosophy. I am, of course, fine with that. Though I consider it a trap to commit to the self-invigorating cycle of reading and thinking. The reason is that it represents a turn inward from which it is difficult to escape and which will eventually inhibit your decision-making. In sustained inwardness you will only find mental illness. Learn, instead, to maintain a balance between intellectual matters and physical activity. Do not live in your head. To live in your head sometimes is enriching. To live in your head the whole time is a death sentence.

We can use (org-edit-special), bound to C-c ' by default, to edit org mode table formulas.