There is grandeur in this view of life, with its several powers, having been originally breathed into a few forms or into one.
The love for all living creatures is the most noble attribute of man.
The wealth required by nature is limited and is easy to procure; but the wealth required by vain ideals extends to infinity.
The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.
It is wrong to think that the task of physics is to find out how Nature is. Physics concerns what we can say about Nature.
The goal of life is living in agreement with nature.
Just living is not enough. One must have sunshine, freedom, and a little flower.
Nature is pleased with simplicity. And nature is no dummy.
Nature does not hurry, yet everything is accomplished.
The diversity of the phenomena of nature is so great, and the treasures hidden in the heavens so rich, precisely in order that the human mind shall never be lacking in fresh nourishment.
Nature uses as little as possible of anything.
Where there is matter, there is geometry.
There is a pleasure in the pathless woods, there is a rapture on the lonely shore.
I love not Man the less, but Nature more.
Nothing can be created from nothing.
The water hollows out the stone, not by force but drop by drop.
No bodily thing was born for us to use. Nature had no such aim, but what was born creates the use.
Nothing is too wonderful to be true, if it be consistent with the laws of nature.
Nature is our kindest friend and best critic in experimental science if we only allow her intimations to fall unbiased on our minds.
My soul can find no staircase to Heaven unless it be through Earth's loveliness.
Civilization is what makes you sick.
Whether there be a God and whatever be His nature, I can have no fear of having to suffer for the study of nature and the search for truth.
Every species has come into existence coincident both in space and time with a pre-existing closely allied species.
It suddenly flashed upon me that this self-acting process would necessarily improve the race, because in every generation the inferior would inevitably be killed off and the superior would remain.
In this Archipelago there are two distinct faunas rigidly circumscribed, which differ as much as those of South America and Africa.
I went to the woods because I wished to live deliberately, to front only the essential facts of life.
I must have flowers, always, and always.
I would like to paint the way a bird sings.
My garden is my most beautiful masterpiece.
The richness I achieve comes from nature, the source of my inspiration.
I perhaps owe having become a painter to flowers.
I am following Nature without being able to grasp her, and then this river of Giverny which dries up and fills again.
We by no means rule over nature like a conqueror over a foreign people - we, with flesh, blood and brain, belong to nature, and exist in its midst.
The smallest sprout shows there is really no death.
I bequeath myself to the dirt to grow from the grass I love. If you want me again look for me under your bootsoles.
A leaf of grass is no less than the journeywork of the stars.
What we observe is not nature itself, but nature exposed to our method of questioning.
There is grandeur in this view of life, with its several powers, having been originally breathed into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being, evolved.
We are survival machines — robot vehicles blindly programmed to preserve the selfish molecules known as genes.
Let us try to teach generosity and altruism, because we are born selfish.
In nature nothing exists alone.
The more clearly we can focus our attention on the wonders and realities of the universe about us, the less taste we shall have for destruction.
Man's attitude toward nature is today critically important simply because we have now acquired a fateful power to alter and destroy nature.
An organism's individuality, then, is determined not by the gene's selfish dictation but by a complex negotiation between genes and their environment.
Though it might be nice to imagine there once was a time when man lived in harmony with nature, it's not clear that he ever really did.
Two things fill the mind with ever new and increasing admiration and awe: the starry heavens above me and the moral law within me.