Blinding ignorance does mislead us. O! Wretched mortals, open your eyes!

As every divided kingdom falls, so every mind divided between many studies confounds and saps itself.

As a well-spent day brings happy sleep, so a life well spent brings happy death.

Art is never finished, only abandoned.

Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory.

Although nature commences with reason and ends in experience it is necessary for us to do the opposite, that is to commence with experience and from this to proceed to investigate the reason.

All our knowledge has its origins in our perceptions.

Marriage is like putting your hand into a bag of snakes in the hope of pulling out an eel.

Just as courage imperils life, fear protects it.

Common Sense is that which judges the things given to it by other senses.

While I thought that I was learning how to live, I have been learning how to die.

Learning never exhausts the mind.

Life is pretty simple: You do some stuff. Most fails. Some works. You do more of what works. If it works big, others quickly copy it. Then you do something else. The trick is the doing something else.

You do ill if you praise, but worse if you censure, what you do not understand.

Who sows virtue reaps honor.