"The greatest delight which the fields and woods minister, is the suggestion of an occult relation between man and the vegetable."Nature
"We must understand that all the greatest discoveries in science have been made by men who understood the importance of close observation."Knowledge
"Every atom in your body is as essential to the universe as every star in the sky."Philosophy
"The true value of a human being is in direct proportion to his service to his fellow men."Work
"Men are not made by nature with their capabilities fully developed."Education
"The study of nature is the true foundation of all wisdom."Nature
"If we possessed a perfect knowledge of all the phenomena of nature, we should see that everything that exists is exactly as it should be."Truth
"The struggle for existence acts upon both the organic and inorganic world, determining the form and nature of all things."Strength
"There is nothing in the world so much admired as a man who knows how to bear unhappiness with courage."Courage
"The greatest discoveries often come from the most careful observation of the smallest details."Science
"A man's life is of far greater importance than any pecuniary interest."Life
"The mind grows by what it feeds upon, and therefore we should be careful to provide it with worthy nourishment."Education
"All animate beings are working out their own destiny, and are subject to the same laws which have produced the infinite variety of plants and animals."Nature
"Truthfulness is the foundation of all human virtue and all social relations."Truth
"The power of habit is so great that we scarcely perceive its influence upon our actions and thoughts."Wisdom
"There is no greater misfortune in life than to be utterly discontented with one's position and circumstances."Happiness
"The man who is perpetually discontented with his lot in life will never accomplish anything of real importance."Success
"Nature is the most perfect of all teachers."Nature
"I have always endeavored to look at Nature with the eyes of a child—with wonder and reverence."Imagination
"The inequality of human races is not an established fact but merely a baseless supposition."Justice
"To understand the secret of all natural phenomena, we must study the minutest details of nature's workings."Science
"There is a beauty in the order and harmony of the natural world that no human art can equal."Beauty
"The cultivation of the intellect is the true and only foundation of individual and national greatness."Education
"Every living thing shows evidence of design and adaptation to its environment."Nature
"The most important lesson that nature teaches us is the importance of balance and harmony."Wisdom
"A man's education should prepare him not merely to make a living, but to live worthily."Education
"The forces which move the world are indeed wonderful in their infinite variety and complexity."Philosophy
"I have found that the secret of happiness lies not in the possession of material things, but in the cultivation of the mind."Happiness
"The history of mankind shows that progress has always been made by those who dared to think differently."History
"Nature's works are never hurried; each thing comes in its proper season and in its proper order."Nature