Don't let ambition get so far ahead that it loses sight of the job at hand.
Successful salesmen, authors, executives and workmen of every sort need patience. The great liability of youth is not inexperience but impatience.
It must be terrible to have to live among people and not like human nature.
Politeness is an inexpensive way to make friends.
A determination to succeed is the only way to succeed that I know anything about.
In many lines of wok, it isn't how much you do that counts, but how much you do well and how often you decide right.