If at first you don't succeed, try hard work.
If we do not discipline ourselves the world will do it for us.
Giving advice isn't as risky as people say. Few ever take it anyway.
Beware of the person who can't be bothered by details.
The rule for every worthwhile man is that no serious job ever shall receive less than his best thought and effort.
Successful salesmen, authors, executives and workmen of every sort need patience. The great liability of youth is not inexperience but impatience.