Playfullness is the essential feature of productive thought.
Politics is far more complicated than physics.
Striving for social justice is the most valuable thing to do in life.
Whether or not you can observe a thing depends upon the theory you use. It is the theory which decides what can be observed.
The ability to portray people in still life and in motion requires the highest measure of intuition and talent.
Even if you have to go through hell - go without hesitation.