Every obstacle is destroyed through rigor.
In the days of thy youth seek to obtain that which shall compensate the losses of thy old age.
The eye is the window of the human body through which it feels its way and enjoys the beauty of the world.
When taking a selfie, remember the most natural pose is still best.
Happy will they be who lend ear to the words of the dead.
Threats alone, are the weapons of the threatened man.
For in truth great love is born of great knowledge of the thing loved.
When you are painting you should take a flat mirror and often look at your work within it, and it will then be seen in reverse, and will appear to be by the hand of some other master, and you will be better able to judge of its faults than in any other way.
Necessity is a guardian in Nature.
Fix your course on a star and you’ll navigate any storm.
The painter’s mind is a copy of the divine mind, since it operates freely in creating the many kinds of animals, plants, fruits, landscapes, countrysides, ruins, and awe-inspiring places.
He who does not understand the supreme certainty of mathematics is wallowing in confusion.
People of higher talent work, even if they seem to do nothing.
To discover the soul living in somebody’s body, we watch the surrounding of the body, and if it’s messy and disordered, so is the soul.
I have solved what color is, however ; I still have no idea about what line is.
Medicine is the restoration of discordant elements; sickness is the discord of the elements infused into the living body.
Thirst will parch your tongue and your body will waste through lack of sleep ere you can describe in words that which painting instantly sets before the eye.
Make yourself a master of perspective, then acquire perfect knowledge of the proportions of men and other animals.
Those who are inspired by a model other than Nature, labor in vain.
Those who condemn the supreme certainty of mathematics feed on confusion, and can never silence the contradictions of the sophistical sciences which lead to eternal quackery.