Let's stick to the practical and the concrete: Would you like it if people lived in a virtual world? If machines were smarter than people? If, in the future, people, animals and plants were products of technology? If you don't like these ideas, then for you the computer and biological sciences clearly are dangerous.
The knowledge of the soul admittedly contributes greatly to the advance of truth in general, and, above all, to our understanding of Nature, for the soul is in some sense the principle of animal life.
As Cuvier could correctly describe a whole animal by the contemplation of a single bone, so the observer who has thoroughly understood one link in a series of incidents should be able to accurately state all the other ones, both before and after.
Do not be proud of the fact that your grandmother was shocked at something which your are accustomed to seeing or hearing without being shocked. ... It may be that your grandmother was an extremely lively and vital animal and that you are a paralytic.
People think of animals as if they were vegetables, and that is not right. We have to change the way people think about animals. I encourage the Tibetan people and all people to move toward a vegetarian diet that doesn’t cause suffering.
Mind precedes all phenomena, mind matters most, everything is mind-made. If with an impure mind, you speak or act, then suffering follows you as the cartwheel follows the foot of the draft animal. If with a pure mind, you speak or act, then happiness follows you as a shadow that never departs
I have been scientifically studying the traits and dispositions of the "lower animals" (so-called,) and contrasting them with the traits and dispositions of man. I find the result profoundly humiliating to me. For it obliges me to renounce my allegiance to the Darwinian theory of the Ascent of Man from the Lower Animals; since it now seems plain to me that that theory ought to be vacated in favor of a new and truer one, this new and truer one to be named the Descent of Man from the Higher Animals.
Just give food without showing affection, [animals] might not get sort of 100% satisfaction. So they also, you see, when we human beings, we show affection, the poor animal also respond to us.
The male has more teeth than the female in mankind, and sheep and goats, and swine. This has not been observed in other animals. Those persons which have the greatest number of teeth are the longest lived; those which have them widely separated, smaller, and more scattered, are generally more short lived.
[T]he moralists of Europe [have] pretended that beasts have no rights... a doctrine revolting/gross/barbarous... on which a native of the Asiatic uplands could not look without righteous horror.