you may as well bid me lade the sea with a nutshell

/juː mˈeɪ az wˈɛl bˈɪd mˌiː lˈeɪd ðə sˈiː wɪð ɐ nˈʌtʃɛl/

/juː mˈeɪ æz wˈɛl bˈɪd mˌiː lˈeɪd ðə sˈiː wɪð ɐ nˈʌtʃɛl/

used to imply that a task or request given is impossible or extremely difficult to accomplish