All that is necessary to right action is right judgment, and to the best action the most correct judgment.
To know what people really think, pay regard to what they do, rather than what they say.
At last I will devote myself sincerely and without reservation to the general demolition of my opinions.
And thus, the actions of life often not allowing any delay, it is a truth very certain that, when it is not in our power to determine the most true opinions we ought to follow the most probable.
On the other hand, when too much time is occupied in traveling, we become strangers to our native country; and the over curious in the customs of the past are generally ignorant of those of the present.
If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.