If you are distressed by anything external, the pain is not due to the thing itself, but to your estimate of it; and this you have the power to revoke at any moment.

If we begin with certainties, we shall end in doubts; if we begin with doubts, and are patient, we shall end in certainties.

In life the three acts are the whole drama; for what shall be a complete drama is determined by him who was once the cause of its composition, and now of its d…

Everything that exists is in a manner the seed of that which will be.