Carl Linnaeus

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

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

The plant kingdom covers the entire earth, offering our senses great pleasure and the delights of summer.

A professor can never better distinguish himself in his work than by encouraging a clever pupil, for the true discoverers are among them, as comets amongst the stars.

The stony rocks are not primeval, but daughters of Time.