Correct is to recognize what diseases are and whence they come; which are long and which are short; which are mortal and which are not; which are in the process of changing into others; which are increasing and which are diminishing; which are major and which are minor; to treat the diseases that can be treated, but to recognize the ones that cannot be, and to know why they cannot be; by treating patients with the former, to give them the benefit of treatment as far as it is possible.
There is more beauty in truth, even if it is a dreadful beauty. The storytellers at the city gate twist life so that it looks sweet to the lazy and the stupid and the weak, and this only strengthens their infirmities and teaches nothing, cures nothing, nor does it let the heart soar.