To live by medicine is to live horribly.

The names of the plants ought to be stable [certa], consequently they should be given to stable genera.

It is not God, but people themselves who shorten their lives by not keeping physically fit.

As one sits here in summertime and listens to the cuckoo and all the other bird songs, the crackling and buzzing of insects, as one gazes at the shining colors of flowers, doth one become dumbstruck before the Kingdom of the Creator.

It is the genus that gives the characters, and not the characters that make the genus.

A practical botanist will distinguish at the first glance the plant of the different quarters of the globe and yet will be at a loss to tell by what marks he detects them.

This drink has a magical power. It strengthens the weak, and revives those who have fainted. Those tired after work and physical activity can return their life forces by this drink much sooner than by nourishment. ... It works as a diuretic, an appetizer, an antitoxin.