It is greed to do all the talking but not to want to listen at all.

We have two ears and one mouth, so we should listen more than we say.

It is godlike ever to think on something beautiful and on something new.

It is greed to do all the talking but not to want to listen at all.

I would rather discover one true cause than gain the kingdom of Persia.

By convention sweet and by convention bitter, by convention hot, by convention cold, by convention color; but in reality atoms and void.