“Until one has loved an animal, a part of one's soul remains unawakened.”

“All changes, even the most longed for, have their melancholy; for what we leave behind us is a part of ourselves; we must die to one life before we can enter another.”

“To accomplish great things, we must not only act but also dream, not only plan, but also believe!”

“To accomplish great things, we must dream as well as act.”

“Time deals gently only with those who take it gently.”

“It is possible that these millions of suns, along with thousands of millions more we cannot see, make up altogether but a globule of blood or lymph in the veins of an animal, of a minute insect, ha...”

“Its as simple as that. Simple and complicated, as most true things are.”

“Truth is ever to be found in the simplicity, and not in the multiplicity and confusion of things.”

“People who pride themselves on their "complexity" and deride others for being "simplistic" should realize that the truth is often not very complicated. What gets complex is evading the truth.”