Should auld acquaintance be forgot and never brought to mind? Should auld acquaintance be forgot and days of auld lang syne? For auld lang syne, my dear, for auld lang syne, we'll take a cup of kindness yet, for auld lang syne.
Never generally means "at no point in time." The term comes from the words 'no' and 'ever', meaning that something is not ever going to happen. Sourced
But Mousie, thou art no thy lane In proving foresight may be vain The best-laid schemes o' mice an' men Gang aft agley An' lea'e us nought but grief an' pain For promis'd joy!