"Vision is not enough; it must be combined with venture. It is not enough to stare up the steps; we must step up the stairs."

"I am not afraid of storms for I am learning how to sail my ships."

"Abundance of knowledge does not teach men to be wise."

"The real voyage of discovery consists not in seeking new landscapes but in having new eyes."

"Everything has beauty but not everyone sees it."

"Discovery consists of seeing what everybody has seen and thinking about what nobody has thought."

"Destiny is no matter of chance. It is a matter of choice: It is not a thing to be waited for, it is a thing to be achieved."

"Change is the law of life. And those who look only to the past or present are certain to miss the future."