Philosophy cannot be taught; it is the application of the sciences to truth.
The Count of Monte CristoBe a philosopher; but, amidst all your philosophy, be still a man.
An Enquiry Concerning Human UnderstandingWhat Galileo and Newton were to the seventeenth century, Darwin was to the nineteenth.
A History of Western PhilosophyTo choose doubt as a philosophy of life is akin to choosing immobility as a means of transportation.
Life of PiEnergy is the inherent capacity of the universe to make matter exist.
Superultramodern Science And PhilosophyThe right to make revolution is unconditional, for it alone establishes right.
Philosophy and Revolution: From Kant to MarxWhoever wishes to become a philosopher must learn not to be frightened by absurdities.
The Problems of PhilosophyGenerally speaking, the errors in religion are dangerous; those in philosophy only ridiculous.
A Treatise of Human NatureReligion realizes philosophy by adapting it to the weaknesses of the vulgar....
Transcendental Magic: Its Doctrine and RitualTo me, what philosophy does best is reflect on knowledge that's generated in other areas.
Lawrence M. Krauss