Relativity teaches us the connection between the different descriptions of one and the same reality.

Kada sedite sat vremena kraj lepe devojke, to prodje kao minut. Sedite minut na vrelu pec i to ce trajati kao sat. To se zove relativitet.

Matter tells space how to curve, space tells matter how to move.

Since the mathematicians have invaded the theory of relativity, I do not understand it myself anymore.

Thus the partial differential equation entered theoretical physics as a handmaid, but has gradually become mistress.

Teaching a child not to step on a caterpillar is as valuable to the child as it is to the caterpillar