I think computer viruses should count as life ... I think it says something about human nature that the only form of life we have created so far is purely destructive. We've created life in our own image. Stephen Hawking
No sense of the irony of human experience, that we are the highest form of life on earth, and yet ineffably sad because we know what no other animal knows, that we must die. Don DeLillo
The changes in our life must come from the impossibility to live otherwise than according to the demands of our conscience not from our mental resolution to try a new form of life. Leo Tolstoy
A committee is the only known form of life with a hundred bellies and no brain. Robert A. Heinlein
Certainly it is wrong to be cruel to animals and the destruction of a whole species can be a great evil. The capacity for feelings of pleasure and pain and for the form of life of which animals are capable clearly impose duties of compassion and humanity in their case. John Rawls
Protoplasm is protean; any simple protoplasm can become any complex form of life under mutation and selection. Robert A. Heinlein