“With most animals, as with man, the alertness of the senses diminishes after years of work, after domestic habits and progress of culture.” — Alexander von Humboldt Copy Share Image
The most powerful influence exercised by the Arabs on general natural physics was that directed to the advances of chemistry ; a science for… — Alexander von Humboldt Copy Share Image
“There are three stages of scientific discovery: first people deny it is true; then they deny it is important; finally they credit the wrong… — Alexander Von Humboldt Copy Share Image
People often say that I'm curious about too many things at once... But can you really forbid a man from harbouring a desire to… — Alexander von Humboldt Copy Share Image
Mere communion with nature, mere contact with the free air, exercise a soothing yet comforting and strengthening influence on the wearied mind, calm the… — Alexander von Humboldt Copy Share Image
There are some races more cultured and advanced and ennobled by education than others; but there are no races nobler than others. All are… — Alexander von Humboldt Copy Share Image
“This view of a living nature where man is nothing is both odd and sad. Here, in a fertile land, in an eternal greenness,… — Alexander von Humboldt Copy Share Image
The expression of vanity and self-love becomes less offensive, when it retains something of simplicity and frankness. — Alexander von Humboldt Copy Share Image
At no other time has Nature concentrated such a wealth of valuable nourishment into such a small space as in the cocoa bean. — Alexander von Humboldt Copy Share Image
Petroleum is the product of a distillation from great depth and issues from the primitive rocks beneath which the forces of all volcanic action… — Alexander von Humboldt Copy Share Image
True enjoyment comes from activity of the mind and exercise of the body; the two are united. — Alexander Von Humboldt Copy Share Image
Our imagination is struck only by what is great; but the lover of natural philosophy should reflect equally on little things. — Alexander von Humboldt Copy Share Image
Cruelty to animals is one of the most significant vices of a low and ignoble people. — Alexander von Humboldt Copy Share Image
“While we maintain the unity of the human species, we at the same time repel the depressing assumption of superior and inferior races of… — Alexander von Humboldt Copy Share Image
