There is little success where there is little laughter.
It is a cursed evil to any man to become as absorbed in any subject as I am in mine
Personally, I enjoy working about 18 hours a day. Besides the short catnaps I take each day, I average about four to five hours of sleep per night.
Don't ever promise more than you can deliver, but always deliver more than you promise.
I'm a greater believer in luck, and I find the harder I work the more I have of it
Genius is eternal patience.
If you aspire to the highest place, it is no disgrace to stop at the second, or even the third, place.
Deadlines just aren't real to me until I'm staring one in the face.
Please all, and you will please none.
If you wish success in life, make perseverance your bosom friend, experience your wise counselor, caution your elder brother and hope your guardian genius.
Listen if you want to be heard
If you think your teacher is tough, wait until you get a boss. He doesn't have tenure.
Be interesting, be enthusiastic... and don't talk too much.
The leader of genius must have the ability to make different opponents appear as if they belonged to one category.
Never make excuses. Your friends don't need them and your foes won't believe them.
Don't mistake activity with achievement.
Only put off until tomorrow what you are willing to die having left undone
The successful leader must plan his work and work his plan.
Ability may get you to the top, but it takes character to keep you there.
Try not to become a man of success but rather to become a man of value.
Moving from chair to chair, from coffee machine to coffee machine is the limit of my action in most films. But I enjoy being cast in them because I love watching them.