Do not put too many irons in the fireProverbs and old sayings British about fire, fire brigade, old, olderness
Do not put off until tomorrow what you can do todayProverbs and old sayings British about old, olderness, contentment
Do not shut/lock the stable door after the horse has boltedProverbs and old sayings British about old, olderness
Do not try to walk before you can crawlProverbs and old sayings British about old, olderness, contentment
Do not sympathize with those who can not empathizeProverbs and old sayings British about old, olderness