The greatest obstacle to discovering the shape of the earth, the continents and the ocean was not ignorance but the illusion of knowledge. – Daniel J. Boorstin, The Discoverers
The development of the telescope, together with increased knowledge of things, brought men to see that the earth is not what man had once thought it to be. – Joseph Franklin Rutherford
Research challenges the materialistic understanding of death, according to which biological death represents the final end of existence and of all conscious activity. – Stanislav Grof