The desire to know is natural to good men.
The greatest deception men suffer is from their own opinions.
Anyone who in discussion relies upon authority uses, not his understanding, but rather his memory.
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.
I prefer death to lassitude. I never tire of serving others.
The human foot is a masterpiece of engineering and a work of art.
Therefore O students study mathematics and do not build without foundations.
Truly man is the king of beasts, for his brutality exceeds them. We live by the death of others. We are burial places! I have since an early age abjured the use of meat.
Go some distance away because the work appears smaller and more of it can be taken in at a glance, and a lack of harmony and proportion is more readily seen.
Intellectual passion drives out sensuality
The eye sees a thing more clearly in dreams than the imagination awake.
Patience serves as a protection against wrongs as clothes do against cold. For if you put on more clothes as the cold increases, it will have no power to hurt you. So in like manner you must grow in patience when you meet with great wrongs, and they will then be powerless to vex your mind.
You do ill to praise, but worse to censure, what you do not understand
God sells us all things at the price of labor.
Make your work to be in keeping with your purpose.