It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change, that lives within the means available and works co-operatively against common threats.
The most important factor in survival is neither intelligence nor strength but adaptability.
The world will not be inherited by the strongest, it will be inherited by those most able to change.
The love for all living creatures is the most noble attribute of man.
Nothing exists for itself alone, but only in relation to other forms of life
It is not the biggest, the brightest or the best that will survive, but those who adapt the quickest.
Building a better mousetrap merely results in smarter mice.
Some call it evolution, And others call it God.
A man who dares to waste one hour of time has not discovered the value of life.
The more one thinks, the more one feels the hopeless immensity of man's ignorance.
The impossibility of conceiving that this grand and wondrous universe, with our conscious selves, arose through chance, seems to me the chief argument for the existence of God.
Ignorance more frequently begets confidence than does knowledge.
In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed.
It's not the strongest, but the most adaptable that survive.
To suppose that the eye, with all its inimitable contrivances for adjusting the focus to different distances, for admitting different amounts of light, and for the correction of spherical and chromatic aberration, could have been formed by natural selection, seems, I freely confess, absurd in the highest possible degree.
It is not the most intellectual of the species that survives; it is not the strongest that survives; but the species that survives is the one that is able best to adapt and adjust to the changing environment in which it finds itself.
It is impossible to concieve of this immense and wonderful universe as the result of blind chance or necessity.
There is no fundamental difference between man and animals in their ability to feel pleasure and pain, happiness, and misery.
Not one change of species into another is on record ... we cannot prove that a single species has been changed.
Freedom of thought is best promoted by the gradual illumination of men’s minds which follows from the advance of science.
The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.
we are always slow in admitting any great change of which we do not see the intermediate steps
Such simple instincts as bees making a beehive could be sufficient to overthrow my whole theory.
In my most extreme fluctuations I have never been an atheist in the sense of denying the existence of a God ... I think that generally (& more and more so as I grow older) but not always, that an agnostic would be the most correct description of my state of mind.
A man's friendships are one of the best measures of his worth.
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