Worry retards reaction and makes clear-cut decisions impossible.

We are not here to fix anyone; we are here to walk each other home.

We have two ears and one mouth so that we can listen twice as much as we speak.

Change in all things is sweet.

In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.

Knowing your own darkness is the best method for dealing with the darknesses of other people.

True knowledge exists in knowing that you know nothing.