Someone

“The oldest and strongest emotion of mankind is fear, and the oldest and strongest kind of fear is fear of the unknown”
― H.P. Lovecraft, Supernatural Horror in Literature

“Except our own thoughts, there is nothing absolutely in our power.”
― René Descartes

“To know what people really think, pay attention to what they do, rather than what they say.”
― Descartes

“It is not enough to have a good mind; the main thing is to use it well.”
― Descartes