Definition of when the blind lead the blind, both shall fall into a ditch in English:

when the blind lead the blind, both shall fall into a ditch

phrase

proverb
  • Those people without knowledge or experience should not try to guide or advise others in a similar position.

    ‘I didn't know anything about fighting and neither did my students—it was the blind leading the blind’
    • ‘That's what happens, my friend, when the blind lead the blind.’
    • ‘Viewing the use of insensitive in vitro assays used to understand the equivalent insensitive rodent bioassays can be likened to the blind leading the blind.’
    • ‘They are a highly useful source of information, although sometimes the validity of their answers may be low: ‘the blind leading the blind.’’
    • ‘Apparently they had bought into the old saw that ‘when the blind lead the blind, all will stumble and fall into the ditch.’’
    • ‘An ancient rule of wisdom advises that when the blind lead the blind they all stumble into the ditch.’