“It is no valid objection that science as yet throws no light on the far higher problem of the essence or origin of life. Who can explain the what is the essence of the attraction of gravity?”
“There is no longer a single idea explaining everything, but an infinite number of essences giving a meaning to an infinite number of objects. The world comes to a stop, but also lights up.”
“The essence of darkness is the knowledge of what blocks the light.”
“The essence of science is that it is always willing to abandon a given idea for a better one; the essence of theology is that it holds its truths to be eternal and immutable.”
“I think that is the very definition of a family: a group of individuals, bound by the essence of love, who share a life together and yet maintain their unique individuality.”
“Freedom includes the right to say what others may object to and resent. . . The essence of citizenship is to be tolerant of strong and provocative words.”