- "Beware; for I am fearless, and therefore powerful." - Mary Shelley, Frankenstein
- "There are more things in heaven and earth, Horatio, than are dreamt of in your philosophy." - William Shakespeare, Hamlet
- "The only thing that is constant is change." - Heraclitus
- "I think, therefore I am." - René Descartes
- "All that glitters is not gold." - William Shakespeare, The Merchant of Venice
- "The unexamined life is not worth living." - Socrates