A young man must let his ideas grow, not be continually rooting them up to see how they are getting on.
Notes from Wikiquote
Paraphrased variant: A man must let his ideas grow, not be continually rooting them up to see how they are getting on.
People don't ever seem to realise that doing what's right's no guarantee against misfortune.
Responsibility's like a string we can only see the middle of. Both ends are out of sight.
Quote text and notes from Wikiquote: William McFee (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.