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
Do unto others as you would have them do unto you. Often referred to as the Golden RuleProverbs and old sayings British about rules, contentment, old, olderness
Doubt is the beginning, not the end, of wisdomProverbs and old sayings British about doubt, beginning, wisdom, end, old, olderness
East is east, and west is west (and never the twain shall meet)Proverbs and old sayings British about old, olderness
Eat breakfast like a king, lunch like a prince and dinner like a pauperProverbs and old sayings British about old, olderness
Eat, drink and be merry, (for tomorrow we die)Proverbs and old sayings British about drinking, death, old, olderness