"Is the ground a philosophical concept? Has mind a relationship to the ground? Is it an idea to be investigated? Is the ground put together by thought?"

Next Quote

Einstein's E=mc2 is an extraordinary concept. So radical: matter and energy are two phases of the same sort of general stuff. There's only one other idea that radical: Forgive us our trespasses as we forgive those who trespass against us.

— Kurt Vonnegut