Plants can't very well defend themselves by their behavior, so they resort to chemical warfare, and plants are saturated with toxins and irritants to deter creatures like us who want to eat them.
Steven PinkerKnowledge is a continuous fabric, in which ideas are connected to other ideas. Reason-free zones, in which people can assert arbitrary beliefs safe from ordinary standards of evaluation, can only corrupt this fabric, just as a contradiction can corrupt a system of logic, allowing falsehoods to proliferate through it.
Steven PinkerAs a graduate student, I wrote a long paper connecting the dots between mathematical models of learning and language development in children. It was published in a major journal.
Steven Pinker