We are like butterflies who flutter for a day and think it is forever. – Carl Sagan
If we long to believe that the stars rise and set for us, that we are the reason there is a Universe, does science do us a disservice in deflating our conceits? – Carl Sagan
The universe is not required to be in perfect harmony with human ambition. – Carl Sagan
And to my thinking as a lover of life, butterflies, soap-bubbles, and whatever is of their kind among men, know most of happiness. To see these light, foolish, delicate, mobile little souls flitting about—that moveth Zarathustra to tears and to song. – Friedrich Nietzsche (1844–1900), “Of Reading and Writing,” Thus Spake Zarathus