“ When the traveler goes alone he gets acquainted with himself. ”

“ My life has been a continuous fulfillment of dreams. It appears that everything I saw and did has a new, and perhaps, more significant meaning, every time I see it. The earth is good. It is a privilege to live thereon. ”

“ The true purpose of education is to teach a man to carry himself triumphant to the sunset. ”

“ A garden requires patient labor and attention. Plants do not grow merely to satisfy ambitions or to fulfill good intentions. They thrive because someone expended effort on them. ”

“ A person cannot love a plant after he has pruned it, then he has either done a poor job or is devoid of emotion. ”

“ Science may eventually explain the world of How. The ultimate world of Why may remain for contemplation, philosophy, religion. ”

“ Anyone who acquires more than the usual amount of knowledge concerning a subject is bound to leave it as his contribution to the knowledge of the world. ”