Science is the captain, and practice the soldiers.
Marriage is like putting your hand into a bag of snakes in the hope of pulling out an eel.
A well-spent day brings happy sleep.
It had long since come to my attention that people of accomplishment rarely sat back and let things happen to them. They went out and happened to things.
Nothing strengthens authority so much as silence.
It is an acknowledged fact that we perceive errors in the work of others more readily than in our own.
Art is never finished, only abandoned.
I have offended God and mankind because my work didn't reach the quality it should have.
Time abides long enough for those who make use of it.
All our knowledge has its origin in our perceptions
All our knowledge has its origins in our perceptions.
Fine gold is recognized when it is tested.
Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind.
Just as courage imperils life, fear protects it.
The painter has the Universe in his mind and hands.
poor is the pupil who does not surpass his master.
Who sows virtue reaps honor.
As every divided kingdom falls, so every mind divided between many studies confounds and saps itself.
He who is fixed to a star does not change his mind.
The eye which turns from a white object in the light of the sun and goes into a less fully lighted place will see everything as dark.