Whoso is content with pure experience and acts upon it has enough of truth.

The art of living rightly is like all arts; it must be learned and practiced with incessant care.

And I have again observed, my dear friend, in this trifling affair, that misunderstandings and neglect occasion more mischief in the world than even malice and wickedness. At all events, the two latter are of less frequent occurrence.

The day is for mistake and error, sequence of time for success and carrying out. The one who anticipates is master of the day.

The mark of highest originality lies in the ability to develop a familiar idea so fruitfully that it would seem no one else would ever have discovered so much to be hidden in it.

One is led astray alike by sympathy and coldness, by praise and by blame

The most difficult thing is what is thought to be the simplest; to really see the things which are before your eyes.