We, however, want to become those we are--human beings who are new, unique, incomparable, who give themselves laws, who create themselves. To that end we must become the best learners and discoverers of everything that is lawful and necessary in the world: we must become physicists in order to be able to be creators in this sense--while hitherto all valuations and ideals have been based on ignorance of physics or were constructed so as to contradict it. Therefore: long live physics! And even more so that which compels us to turn to physics--our honesty!
Friendship that insists upon agreement on all matters is not worth the name. Friendship to be real must ever sustain the weight of honest differences, however sharp they be.
But the older he grew and the more intimately he came to know his brother, the oftener the thought occurred to him that the power of working for the general welfare – a power of which he felt himself entirely destitute – was not a virtue but rather a lack of something: not a lack of kindly honesty and noble desires and tastes, but a lack of the power of living, of what is called heart – the aspiration which makes a man choose one out of all the innumerable paths of life that present themselves, and desire that alone.
When a man speaks the truth in the spirit of truth, his eye is as clear as the heavens. When he has base ends, and speaks falsely, the eye is muddy, and sometimes asquint.