"I think the decision to make substances like……" — Gregory Petsko
"I think the decision to make substances like steroids from plants, rather than from animal tissues, was a landmark in the history of medicine as well as the history of chemistry."
More Animal Quotes
- At his best, man is the noblest of all animals; separated from law and justice he is the worst. — Aristotle
- Man is by nature a political animal. — Aristotle
- To insult someone we call him 'bestial. For deliberate cruelty and nature, 'human' might be the greater insult. — Isaac Asimov
- If you have men who will exclude any of God's creatures from the shelter of compassion and pity, you will… — Francis of Assisi
- People are not going to care about animal conservation unless they think that animals are worthwhile. — David Attenborough
- There are some four million different kinds of animals and plants in the world. Four million different solutions to the… — David Attenborough
- Birds are the most popular group in the animal kingdom. We feed them and tame them and think we know… — David Attenborough
- The only way to save a rhinoceros is to save the environment in which it lives, because there's a mutual… — David Attenborough
- I'm not a propagandist, I'm not a polemicist; my primary interest is just looking at and trying to understand how… — David Attenborough
- I'm not an animal lover if that means you think things are nice if you can pat them, but I… — David Attenborough
- If you watch animals objectively for any length of time, you're driven to the conclusion that their main aim in… — David Attenborough
- Steve Irwin did wonderful conservation work but I was uncomfortable about some of his stunts. Even if animals aren't aware… — David Attenborough