A man is not little when he finds it difficult to cope with circumstances, but when circumstances overmaster him.

In nature we never see anything isolated, but everything in connection with something else which is before it, beside it, under it and over it.

The mark of highest originality lies in the ability to develop a familiar idea so fruitfully that it would seem no one else would ever have discovered so much to be hidden in it.

Great passions are incurable diseases.

The sea is flowing ever, The land retains it never.

I know nothing more mocking than a devil that despairs.

A plant is like a self-willed man, out of whom we can obtain all which we desire, if we will only treat him his own way.