As long as such mysteries remain — and there are others — the work of physics will not be complete. ... The aim of physics is to understand in a precise, mathematical way all manifestation of matter and energy in the universe — and we have barely started to explore this infinitude of possibilities.

Is physics a dying field?

Search: No. Theoretical particle physics is definitely a dead subject. Other areas of theoretical physics have made great strides in applications but at the same time there hasn't been any fundamentally new development in our understanding of physics for decades.

Will there ever be nothing left to discover?

There will never be a point at which there is nothing left to invent or discover; it will be preempted by a point at which humanity is no longer around to invent or discover anything. ... There have been very long stretches of history in which general human progress was stagnant.