When there is change, it must not alter the content of what propaganda is driving at, but in the end must always say the same thing. For instance, a slogan must be presented from different angles, but the end of all remarks must always and immutably be the slogan itself. Only in this way can the propaganda have a unified and complete effect.
The forces that affect our lives, the influences that mold and shape us, are often like whispers in a different room, teasingly indistinct, apprehended only with difficulty.
You can never solve a problem on the level on which it was created. Insanity: doing the same thing over and over again and expecting different results. A life lived for others is a life worthwhile.
For a writer you have to be interested in different cultures, different backgrounds. You are not there to write only about your village. You're there to show a bit of your village, but also to understand other villages.
My opinion about Miller's experiments is the following. ... Should the positive result be confirmed, then the special theory of relativity and with it the general theory of relativity, in its current form, would be invalid. Experimentum summus judex. Only the equivalence of inertia and gravitation would remain, however, they would have to lead to a significantly different theory.
The whole attitude of society has become much more open and realistic. They realize that the only way to make a more democratic and free society is to let different opinions come out.
Student: Dr. Einstein, Aren't these the same questions as last year's [physics] final exam? Dr. Einstein: Yes; But this year the answers are different.