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.
Interpretation
Plants use chemical defenses to protect themselves from herbivores since they cannot move or react physically.
In this quote, Steven Pinker highlights how plants, unlike animals, lack the ability to escape or defend themselves through movement or behavior. As a result, they have evolved various chemical mechanisms, including toxins and irritants, to deter herbivores and protect themselves from being consumed, illustrating the complex interactions between plants and animals in nature.
In practice
In a discussion about botanical defenses at a gardening seminar.
The foundation of individual rights is the assumption that people have wants and needs and are authorities on what those wants and needs are. If people's stated desires were just some kind of erasable inscription or reprogrammable brainwashing, any atrocity could be justified.
The linguistic clumsiness of tourists and students might be the price we pay for the linguistic genius we displayed as babies, just as the decrepitude of age in the price we pay for the vigor of youth.
If we are not to abandon values such as peace and equality, or our commitments to science and truth, then we must pry these values away from claims about our psychological makeup that are vulnerable to being proven false.
We adults protect ourselves with laws, police, workplace regulations and social norms and there is no conceivable reason why children should be left more vulnerable, other that laziness or callousness in considering what life is like from their point of view.
The idea that children are passive repositories to be shaped by their parents has been massively overstated. A child's peer group is a far greater determinant of its development and achievements than parental aspiration.
Reason is non-negotiable. Try to argue against it, or to exclude it from some realm of knowledge, and you've already lost the argument, because you're using reason to make your case. ... We don't "believe" in reason.
It was, as I have said, a fine autumnal day; the sky was clear and serene, and nature wore that rich and golden livery which we always associate with the idea of abundance. The forests had put on their sober brown and yellow, while some trees of the tendered kind had been nipped by the frosts into brilliant dyes of orange, purple, and scarlet.
Coral reefs, the rain forest of the ocean, are home for one-third of the species of the sea. Coral reefs are under stress for several reasons, including warming of the ocean, but especially because of ocean acidification, a direct effect of added carbon dioxide. Ocean life dependent on carbonate shells and skeletons is threatened by dissolution as the ocean becomes more acid.
I have always tempered my killing with respect for the game pursued. I see the animal not only as a target, but as a living creature with more freedom than I will ever have. I take that life if I can, with regret as well as joy, and with the sure knowledge that nature's way of fang and claw and starvation are a far crueler fate than I bestow.
Nature is our eldest mother; she will do no harm.
We had a sunset of a very fine sort. The vast plain of the sea was marked off in bands of sharply-contrasted colors: great stretches of dark blue, others of purple, others of polished bronze; the billowy mountains showed all sorts of dainty browns and greens, blues and purples and blacks, and the rounded velvety backs of certain of them made one want to stroke them, as one would the sleek back of a cat.
In the spring rain, The pond and the river Have become one.
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