Unless all the discoveries ...

Unless all the discoveries that you make have the welfare of the poor as the end in view, all your workshops will be really no better than Satan\'s workshops.
Unless all the discoveries that you make have the welfare of the poor as the end in view, all your workshops will be really no better than Satan's workshops.

Quotes from the same author

Happiness is when what you think, what you say, and what you do are in harmony.
Strength does not come from physical capacity. It comes from an indomitable will.
Be the change that you want to see in the world.
It is unwise to be too sure of one's own wisdom. It is healthy to be reminded that the strongest might weaken and the wisest might err.
It is the quality of our work which will please God, not the quantity.