I cannot conceive of a God who rewards and punishes his [sic] creatures, or has a will of the type of which we are conscious ourselves.

I am strongly drawn to the simple life and am often oppressed by the feeling that I am engrossing an unnecessary amount of the labour of my fellow men. I regard class differences as contrary to justice and, in the last resort, based on force. I also consider that plain living is good for everybody, physically and mentally.

I am content in my later years. I have kept my good humor and take neither myself nor the next person seriously.

Either CS (coordinate system) could be used with equal justification. The two sentences: the sun is at rest and the earth moves, or the sun moves and the earth is at rest, would simply mean two different conventions concerning two different CS

What the individual can do is to give a fine example, and to have the courage to uphold ethical values .. in a society of cynics.

Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.

You cannot prevent and prepare for war at the same time.