Some men, like modern shops, hang everything in their show windows; when one goes inside, nothing is to be found.
Being alone when one's belief is firm, is not to be alone.
He who, to be happy, needs nothing but himself, is happy.
It is only when one is thoroughly true that there can be purity and freedom. Falsehood always punishes itself.
With hat in hand, one gets on in the world.
What is all our knowledge worth? We do not even know what the weather will be tomorrow.