Steven Weinberg

All logical arguments can be defeated by the simple refusal to reason logically.

An expert is a person who avoids the small errors while sweeping on to the grand fallacy.

In complexity it is only simplicity that can be interesting.

I think one of the great historical contributions of science is to weaken the hold of religion. That's a good thing.

The more the universe seems comprehensible, the more it also seems pointless.

The effort to understand the universe is one of the very few things that lifts human life a little above the level of farce, and gives it some of the grace of tragedy.

Even in the dark times between experimental breakthroughs there always continues a steady evolution of theoretical ideas leading almost imperceptibly to changes in previous beliefs.

Maybe nature is fundamentally ugly, chaotic and complicated. But if it's like that, then I want out.