Tim Sommer

“An area of land used for crops will feed about ten times as many people as the same area of land used for grass-fed beef.”
― Peter Singer, Practical Ethics

“The twelve labors of Hercules were trifling in comparison with those which my neighbors have undertaken; for they were only twelve, and had an end; but I could never see that these men slew or captured any monster or finished any labor.”
― Henry David Thoreau, Walden & Civil Disobedience

“A man is not allowed to practise medicine unless he knows something of the human body, but a financier is allowed to operate freely without any knowledge at all of the multifarious effects of his activities, with the sole exception of the effect upon his bank account.”
― Bertrand Russell, In Praise of Idleness and Other Essays

“We all have a tendency to think that the world must conform to our prejudices. The opposite view involves some effort of thought, and most people would die sooner than think – in fact they do so.” The ABC of Relativity [1925]”
― Third Earl Bertrand Russell, In Praise of Idleness