"But I am very poorly today & very stupid & I hate everybody & everything. One lives only to make blunders."

"It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change."

"It is a wonderful fact that we can understand so much."

"I own that I cannot see as plainly as others do, and as I should wish to do, evidence of design and beneficence on all sides of us. There seems to me too much misery in the world. I cannot persuade my…"

"If a man were to read a book on the cultivation of fruit trees, and then attempt to practice it without having seen a single tree, he would not be more unsuccessful than those who attempt to philosoph…"