People become attached to their burdens sometimes more than the burdens are attached to them.
A life spent making mistakes is not only more honourable, but more useful than a life spent doing nothing.
The power of accurate observation is frequently called cynicism by those who have not got it.
No man who is occupied in doing a very difficult thing, and doing it very well, ever loses his self-respect.
Success does not consist in never making mistakes but in never making the same one a second time.