[A]ny species that exempts itself from the rules of competition ends up destroying the community in order to support its own expansion. — Daniel Quinn Copy Share Image
Natural selection does not give any preference at all to anything that, in the long run, could be advantageous for the species… — Konrad Lorenz Copy Share Image
If you can unify the public mind saving an iconic species like the tiger, like they did with the panda, that means… — Leonardo DiCaprio Copy Share Image
An animal is equipped for sustaining its life; its senses provide it with an automatic code of action, an automatic knowledge of… — Ayn Rand Copy Share Image
Generally speaking, rural drivers are a much better behaved species than city drivers. I'm not sure whether they're intrinsically this way, or… — Linwood Barclay Copy Share Image
I'm an animal rights activist because I believe we won't have a planet if we continue to behave toward other species the… — James Cromwell Copy Share Image
As a general rule of biology, migratory species are less 'aggressive' than sedentary ones. — Bruce Chatwin Copy Share Image
Taught to regard a part of our own Species in the most abject and contemptible Degree below us, we lose that Idea… — George Mason Copy Share Image
I can't think of a greater legacy than, "Because you lived, another species survived." — Paul Watson Copy Share Image
We do a lot of bird-watching up in the country, but we almost never have a chance to people-watch. There simply aren't… — Susan Orlean Copy Share Image
We are one of only three species on our planet that can claim to be self-aware, yet self-delusion may be a more… — Michael Crichton Copy Share Image
U2 is an original species... there are colours and feelings and emotional terrain that we occupy that is ours and ours alone. — Bono Copy Share Image
When students of other sciences ask us what is now currently believed about the origin of species, we have no clear answer… — William Bateson Copy Share Image
Why does evolution matter? There is so much about the evolution of life, the development of life on Earth that should rivet… — Sylvia Earle Copy Share Image
It is astonishing to realise that the human species survived hundreds of thousands of years, more than 99 percent of its time… — Leonard Hayflick Copy Share Image
For the first time since life appeared on earth, one species- us- is single-handedly altering the physical, chemical and biological nature of… — David Suzuki Copy Share Image
Dogs are not 'people' of another species. They are another species. To train and care for them properly, to show them how… — Jon Katz Copy Share Image
A writer is a strange instrument of our species, a harp of sorts, fine-tuned to the dark contradictions of life. — Chaim Potok Copy Share Image
There is one fairly good reason for fighting - and that is, if the other man starts it. You see, wars are… — Anonymous Copy Share Image
As to the Christian system of faith, it appears to me as a species of Atheism — a sort of religious denial… — Thomas Paine Copy Share Image
As a species, we are forever sticking our finger into the electric socket of the universe to see what will happen next. — Terry Pratchett Copy Share Image
Consider: Life arose on Earth close to four billion years ago. Four billion years of slithering, swimming, and soaring life forms. But… — Seth Shostak Copy Share Image
When I behold a fashionable table set out in all its magnificence, I fancy that I see gouts and dropsies, fevers and… — Joseph Addison Copy Share Image
Natural selection may lead to benefits for species, but these `higher' advantages can only arise as sequelae, or side consequences, of natural… — Stephen Jay Gould Copy Share Image
The one thing prostitution is not is a 'victimless crime.' It attracts a wide species of preying criminals and generates a long… — Gail Sheehy Copy Share Image