I wish I had eight pairs of hands, and another body to shoot the specimens.

If only the bird with the loveliest song sang, the forest would be a lonely place.

Never give up listening to the sounds of birds.

On the 17th of May, the Delos put out to sea. I was immediately affected with sea-sickness, which, however, lasted but a short time. I remained on deck constantly, forcing myself to exercise.

I discover that my friends think only of my apparel, and those upon whom I have conferred acts of kindness prefer to remind me of my errors.

To have been torn from the study would have been as death; my time was entirely occupied with art.

[Drawing should be] a journey of pleasure. Each step must present to the travellers' view objects that are eminently interesting, varied in their appearances, and attracting to such a degree as to excite in each individual thus happily employed the desire of knowing all respecting all he sees.