Klejn's Commandments
laudatortemporisacti.blogspot.com
laudatortemporisacti.blogspot.com
I've never seen 'whence' and 'whither' included in the list of questions before. I like it though. It's interesting to separate "Where did this come from?" and "Where was it going to?"
> Every scholar has a right to make mistakes—if he makes mistakes correctly.
> Weigh pros and cons on the same set of scales.
> Do not hope for chance and luck. The law of gravitation was created in Newton's head and not in the apple.
This one seems an elaboration on the concise "It's not enough to succeed. Others must fail."
(Origin traced at https://quoteinvestigator.com/2012/08/06/succeed-fail/ )