Make it thy business to know thyself, which is the most difficult lesson in the world.


Ch. 42. - Don Quixote de la Mancha (1605–1615) - Part II (1615) - Book III

Miguel de Cervantes Quotes

Make it thy business to know thyself, which is the most difficult lesson in the world.

Make it thy business to know thyself, which is the most difficult lesson in the world.

Make it thy business to know thyself, which is the most difficult lesson in the world.

Make it thy business to know thyself, which is the most difficult lesson in the world.