Never make excuses. Your friends don't need them and your foes won't believe them.
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
No tears in the writer, no tears in the reader. No surprise in the writer, no surprise in the reader.
The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack in will.
The only 'break' anyone can afford to rely upon is a self-made 'break'.
Boredom is one of the most blissful feelings.
What I cannot create, I do not understand.
Don't mistake activity with achievement.
The man who is swimming against the stream knows the strength of it.
Many are stubborn in pursuit of the path they have chosen, few in pursuit of the goal.
The best of artists has no conception that the marble alone does not contain within itself.
No man can taste the fruits of autumn while he is delighting his scent with the flowers of spring.
You can't make souffle rise twice.
It is easier for a tutor to command than to teach.
Few things are impossible to diligence and skill. Great works are performed not by strength, but perseverance.
Be interesting, be enthusiastic... and don't talk too much.
If A is success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut.
I never pick up an item without thinking of how I might improve it.
Develop success from failures. Discouragement and failure are two of the surest stepping stones to success.
To know what people really think, pay regard to what they do, rather than what they say.
Ability may get you to the top, but it takes character to keep you there.