"The natural system will always remain the greatest goal for botanists."

"The true botanist is not one who knows many plants, but one who knows how to find them."

"The Asiatic is haughty, greedy, and governed by opinions."

"If a tree were to be a god, it would be a god of solitude."

"God created, Linnaeus arranged. It is astonishing how many new species are discovered every day."