Actors must practice restraint, else think what might happen in a love scene.
O month when they who love must love and wed.
But learn that to die is a debt we must all pay.
You must do the things you think you cannot.
To gain the treasure, you must leave the trash.
For the dead and the living, we must bear witness.
Where everything is bad it must be good to know the worst.
Books must follow sciences, and not sciences books." [ ]
Oh, how hard it must be to die anywhere but in one's birthplace.
when you dare to dream, you must be dare to reach it.
Every talent must unfold itself in fighting.
During the night we must wait for the light.
A scientist... must accept the results of experiment, and nothing but the results of experiment.
We must not imitate that which we seek to create.
Every desire must be criticized by the whole Man.
Louis C. K. makes me laugh, I must say.
We must memorize nine numbers and deny we have a soul.
To be what you want to be, you must give up being what you are.
You must avoid sloth, that wicked siren.
The Chess-board must be placed with a white square at the right-hand corner.
What goes up must come down.