Evil had to manifest itself and fulfill its role, so that ultimately Good could prevail. [...] Evil needs to manifest itself, for them to understand the value of Good.
My interest in science was always essentially limited to the study of principles.... That I have published so little is due to this same circumstance, as the great need to grasp principles has caused me to spend most of my time on fruitless pursuits.
Certainly we do not need quantum mechanics for macroscopic objects, which are well described by classical physics - this is the reason why quantum mechanics seems so foreign to our everyday existence.
The Democrats believe they need more of your money to spend because they can spend it better than you can. But you know, sometimes philosophers don't act.