Poor is the man who desires a lot
He who wishes to be rich in a day will be hanged in a year.
Our life is made by the death of others.
I have offended God and mankind because my work didn't reach the quality it should have.
O Lord, thou givest us everything, at the price of an effort.
Those who fall in love with practice without science are like a sailor who enters a ship without a helm or a compass, and who never can be certain whither he is going.