To the rational being only the irrational is unendurable, but the rational is endurable.

Everything has two handles,-one by which it may be borne; another by which it cannot.

Freedom isn't the right or ability to do whatever you please. Freedom comes from understanding the limits of our own power and the inherent limits set in place by nature. By accepting life's limits and inevitabilities and working with them rather than fighting them, you become truly free.

It is not a demonstration of kindness or friendship to the people we care about to join them in indulging in wrongheaded, negative feelings. We do a better service to ourselves and others by remaining detached and avoiding melodramatic reactions.

Don't be concerned who is watching you. The triumphs and merits of others belong to them - as do yours to you. Make the most of what you've got.

The essence of philosophy is that a man should so live that his happiness shall depend as little as possible on external things.

You become what you give your attention to...If you yourself don't choose what thoughts and images you expose yourself to, someone else will, and their motives may not be the highest.