Nature has unlimited time in which to travel along tortuous paths to an unknown destination. The mind of man is too feeble to discern whence or whith….

The ant is a collectively intelligent and individually stupid animal; man is the opposite..

I received my doctorate from the University of Vienna in 1910..

I studied at a grammar school and later at the University of Vienna in the Faculty of Medicine..

The bee's life is like a magic well: the more you draw from it, the more it fills with water.

After the first exams, I switched to the Faculty of Philosophy and studied Zoology in Munich and Vienna..

I have been a Professor Emeritus since 1958, and have continued my scientific studies..