A poet knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away.
He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.
He who wishes to be rich within a day, will be hanged within a year.
Marriage is like putting your hand into a bag of snakes in the hope of pulling out an eel.
The acquisition of knowledge is always of use to the intellect, because it may thus drive out useless things and retain the good. For nothing can be loved or hated unless it is first known.
The mind that engages in subjects of too great variety becomes confused and weakened.
As every divided kingdom falls, so every mind divided between many studies confounds and saps itself.
Water is the driving force of all nature.
Where there is shouting, there is no true knowledge.
Truly man is the king of beasts, for his brutality exceeds them. We live by the death of others. We are burial places.
The most beautiful words of love are told in silence for a look.
If you put on more garments, the cold cannot reach you. Similarly, increase your patience and concentration and even great injuries cannot vex your mind.
Poor is the man who desires a lot.
If you find from your own experience that something is a fact and it contradicts what some authority has written down, then you must abandon the authority and base your reasoning on your own findings.
You can have no dominion greater or less than that over yourself.
Being willing is not enough. We must do.
Inaction saps the vigor of the mind.
He who in reasoning cites authority is making use of his memory rather than of his intellect.
The five senses are the ministers of the soul.
Our life is made by the death of others.