“Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful”

“You must have the bird in your heart before you can find it in the bush.”

“By perseverance the snail reached the ark”

“The greatest works are done by the ones. The hundreds do not often do much, the companies never; it is the units, the single individuals, that are the power and the might.”

“Science has done more for the development of western civilization in one hundred years than Christianity did in eighteen hundred years.”

“The surest way to hit a woman's heart is to take aim kneeling.”