Science cannot solve the ultimate mystery of nature. And that is because, in the last analysis, we ourselves are a part of the mystery that we are trying to solve. – Max Planck
Anybody who has been seriously engaged in scientific work of any kind realizes that over the entrance to the gates of the temple of science are written the words: Ye must have faith. – Max Planck
Whence come I and whither go I? That is the great unfathomable question, the same for every one of us. Science has no answer to it. – Max Planck
We have no right to assume that any physical laws exist, or if they have existed up until now, that they will continue to exist in a similar manner in the future. – Max Planck
Whatever its origin, a belief in spirits seems to have been common to all the nations of the ancient world who have left us any record of themselves. Ghosts began to walk early, and are walking still, in spite of the shrill cock-crow of wir haben ja aufgeklärt. – James Russell Lowell, “Witchcraft”