The most important thing in life is to be useful.
Biological taxonomy
A statement on his work ethic and purpose, attributed.
Uncertain (attributed)
Found in 1 providers: gemini
Cross Reference
1 source
"The whole world is a collection of wonders."
Shocking"Yet man does recognise himself [as an animal]. But I ask you and the whole world for a generic differentia between man and ape which conforms to the principles of natural history, I certainly know of …"
Philosophical"The only true knowledge is that which is acquired through the senses."
Strange & Unusual"I have explored the whole world of nature."
Shocking"The more hidden the flower, the sweeter the scent."
Strange & Unusual