Percentages are why I am rich.
It is better to serve like steel than rust and wither away like iron.
Chop your own wood and it will warm you twice
It's a terrible thing to look over your shoulder when you are trying to lead - and find no one there
The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.
I'm not the smartest fellow in the world, but I can sure pick smart colleagues.
You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself. That is something you have charge of.
If you aspire to the highest place, it is no disgrace to stop at the second, or even the third, place.
Choose a job you love and you will never have to work a day of your life.
Good things happen to those who hustle.
Success is most often achieved by those who don't know that failure is inevitable.
Please all, and you will please none.
It is the set of the sails, not the direction of the wind that determines which way we will go.
A man paints with his brains and not with his hands.
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 mistake activity with achievement.
I'm a slow walker, but I never walk back.
Most people spend more time and energy going around problems than in trying to solve them.
Whenever you are asked if you can do a job, tell 'em, 'Certainly I can!' Then get busy and find out how to do it.
I hope that I may always desire more than I can accomplish.
There are many ways of going forward, but only one way of standing still.