Hard Problem

Hard problem may refer to:

  • Hard problems in computational complexity theory
  • The hard problem of consciousness: explaining why we have qualitative phenomenal experiences

Famous quotes containing the words hard and/or problem:

    “We doubt not the destiny of our country—that she is to accomplish great things for human nature, and be the mother of a nobler race than the world has yet known. But she has been so false to the scheme made out at her nativity, that it is now hard to say which way that destiny points.”
    —Margaret Fuller (1810–1850)

    “Every reform was once a private opinion, and when it shall be a private opinion again, it will solve the problem of the age.”
    —Ralph Waldo Emerson (1803–1882)