“You must trust and believe in people or life becomes impossible.”

“I am one of those who think like Nobel, that humanity will draw more good than evil from new discoveries”

“People in high life are hardened to the wants and distresses of mankind as surgeons are to their bodily pains”

“We shall find peace. We shall hear angels, we shall see the sky sparkling with diamonds”

“After all, science is essentially international, and it is only through lack of the historical sense that national qualities have been attributed to it”

“Every man is a volume, if you know how to read him”