contrary - errors and exceptions give you more info than succeeding in first attempt - if you don't know when&where not to go - you can't engineer the measures to avoid it - nor how to utilize the feature when such is required
in my case it has proven that if you postpone a prj. you likely have no time or motivation or resources for it later - also true is a need to give your mind a rest (if i consider myself a human std. then) 2 weeks exhaust you for 1-subject -- back at university time i found it was efficient to schedule the focus in 6 week cycle 2w math : 2w computer science : 2w physics
