Amidst the vicissitudes of the earth's surface, species cannot be immortal, but must perish, one after another, like the individuals which compose them. There is no possibility of escaping from this conclusion.
Interpretation
Species, like individuals, inevitably face extinction due to the changing conditions of the Earth.
This quote by Charles Lyell emphasizes the transitory nature of life on Earth, highlighting how species are subject to the same fate as individual organisms: mortality. It speaks to the inevitability of extinction and the constant evolution and change of the planet, making it clear that no species can escape this fate, regardless of its adaptability or resilience.
In practice
In a lecture on evolution, one might use this quote to illustrate the concept of natural selection and extinction.
When the aggregate amount of solid matter transported by rivers in a given number of centuries from a large continent, shall be reduced to arithmetical computation, the result will appear most astonishing to those...not in the habit of reflecting how many of the mightiest of operations in nature are effected insensibly, without noise or disorder.
Never was there a dogma more calculated to foster indolence, and to blunt the keen edge of curiosity, than the assumption of the discordance between the former and the existing causes of change.
The question now at issue, whether the living species are connected with the extinct by a common bond of descent, will best be cleared up by devoting ourselves to the study of the actual state of the living world, and to those monuments of the past in which the relics of the animate creation of former ages are best preserved and least mutilated by the hand of time.
Productiveness is your acceptance of morality, your recognition of the fact that you choose to live.
What Corrigan wanted was a fully believable God, one you could find in the grime of the everyday... He consoled himself with the fact that, in the real world, when he looked closely into the darkness he might find the presence of a light, damaged and bruised, but a little light all the same. He wanted, quite simply, for the world to be a better place, and he was in the habit of hoping for it.
It boggles my mind that the same people who cry ‘foul’ about rationing an instant later argue to reduce health care benefits for the needy, to defund crucial programs of care and prevention, and to shift thousands of dollars of annual costs to people – elders, the poor, the disabled – who are least able to bear them.
If people are good because they fear punishment, and hope for reward, then we are a sorry lot indeed.
People who think you could wave a magic wand and the legacy of the past will be over are blind.
Religion is the possibility of the removal of every ground of confidence except confidence in God alone.
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