From Longman Dictionary of Contemporary Englishlet nature take its courselet nature take its courseNOT DO somethingto allow events to happen without doing anything to change the results The best cure for a cold is to let nature take its course. → nature
Examples from the Corpus
let nature take its course• Stay calm and let nature take its course.• Just relax and let nature take its course.• The best is to obtain juveniles from a number of sources, rear them together and let nature take its course.• I meant that, in the case of any other industry, we probably would have let nature take its course.• Should I just let nature take its course or stop it now?• With a cold, it's better to just let nature take its course.• I think we should let nature take its course.