Let not men think there is no truth, but in the sciences that they study, or the books that they read.
John LockeThe great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs ... has been, not whether be power in the world, nor whence it came, but who should have it.
John LockeThe native and untaught suggestions of inquisitive children do often offer things, that may set a considering man's thoughts on work. And I think there is frequently more to be learn'd from the unexpected questions of a child than the discourses of men, who talk in a road, according to the notions they have borrowed, and the prejudices of their education.
John Locke