Let no young man delay the study of philosophy, and let no old man become weary of it; for it is never too early nor too late to care for the well-being of the soul.

The difference between gossip and philosophy lies only in one's way of taking a fact.

The object of studying philosophy is to know one's own mind, not other peoples.

Pretend what we may, the whole man within us is at work when we form our philosophical opinions.

Do not all charms fly At the mere touch of cold philosophy?

All schools of philosophy, and almost all authors, are rather to be frequented for exercise than for weight.

The continual pursuit of meanings-wider, clearer, more negotiable, more articulate meanings- is philosophy.

A philosophy is characterized more by the formulation of its problem than by its solution of them.

The constancy of philosophers is nothing but the art of concealing their disquietude in their hearts.

Oh! speculators on things, boast not of knowing the things that nature ordinarily brings about; but rejoice if you know the end of those things which you yourself devise.