“We may brave human laws, but we cannot resist natural ones”

“Nature knows no pause in progress and development, and attaches her curse on all inaction”

“Unless a tree has borne blossoms in spring, you will vainly look for fruit on it in autumn”

“When nature has work to be done, she creates a genius to do it”

“What would be ugly in a garden constitutes beauty in a mountain”

“A hen is only an egg's way of making another egg ”