Some promises and time disappoint us
O speculators about perpetual motion, how many vain chimeras have you created in the like quest? Go and take your place with the seekers after gold.
We may call painting the grandchild of nature.
The noblest pleasure is the joy of understanding.
Study without desire spoils the memory, and it retains nothing that it takes in.
I shall do down in history as the man who opened a door!