It is astonishing what an effort it seems to be for many people to put their brains definitely and systematically to work.
The reason a lot of people do not recognize opportunity is because it usually goes around wearing overalls looking like hard work.
There will one day spring from the brain of science a machine or force so fearful in its potentialities, so absolutely terrifying, that even man, the fighter, who will dare torture and death in order to inflict torture and death, will be appalled, and so abandon war forever.
We don't know a millionth of one percent about anything.
The three great essentials to achieve anything worth while are: Hard work, Stick-to-itiveness, and Common sense.
I never did anything by accident, nor did any of my inventions come by accident; they came by work.
Be courageous. I have seen many depressions in business. Always America has emerged from these stronger and more prosperous. Be brave as your fathers before you. Have faith! Go forward!
Being busy does not always mean real work. The object of all work is production or accomplishment and to either of these ends there must be forethought, system, planning, intelligence, and honest purpose, as well as perspiration. Seeming to do is not doing.
Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.
Maturity is often more absurd than youth and very frequently is most unjust to youth.
There is far more opportunity than there is ability.
Waste is worse than loss. The time is coming when every person who lays claim to ability will keep the question of waste before him constantly. The scope of thrift is limitless.