Nature is always mysterious and secret in her use of means; and art is always likest her when it is most inexplicable.

The actual flower is the plant's highest fulfilment, and are not here exclusively for herbaria, county floras and plant geography: they are here first of all for delight.

Work first, and then rest.

It is among children only, and as children only, that you will find medicine for your healing and true wisdom for your teaching.

I cannot but think it an evil sign of a people when their houses are built to last for one generation only.

It is a strange thing how little in general people know about the sky. It is the part of creation in which nature has done more for the sake of pleasing man.

... no human actions ever were intended by the Maker of men to be guided by balances of expediency, but by balances of justice.