Thomas A. Edison

Restlessness and discontent are the necessities of progress.

Restlessness and discontent are the necessities of progress.

I have friends in overalls whose friendship I would not swap for the favor of the kings of the world.

I have friends in overalls whose friendship I would not swap for the favor of the kings of the world.

To have a great idea, have a lot of them.

To have a great idea, have a lot of them.

Be courageous. I have seen many depressions in business. Always America has emerged from these stronger and more prosperous. Be read more

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!

Waste is worse than loss. The time is coming when every person who lays claim to ability will keep the read more

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.