He that can heroically endure adversity will bear prosperity with equal greatness of soul; for the mind that cannot be dejected by the former is not likely to be transported with the later.
“A remarkable feature of the humanitarian movement, on both its sentimental and utilitarian sides, has been its preoccupation with the lot of the masses.”
“We can survive as a population only if we conserve, develop sustainably, and protect the world's resources.”