The only sin in the world is ignorance.

Henry David Thoreau
Profession: Author
Nationality: American

Some suggestions for you :
What we call knowledge is often our positive ignorance; ignorance our negative knowledge.
We have the St. Vitus' dance, and cannot possibly keep our heads still.
I like sometimes to take rank hold on life and spend my day more as the animals do.
They can do without architecture who have no olives nor wines in the cellar.
If you would convince a man that he does wrong, do right. Men will believe what they see.