"In de mesoscopische fysica moet je echt intuïtie opbouwen, omdat het niet de wereld is die je kent."

"... de wiskunde (houdt) zich veel meer bezig (...) met bijvoorbeeld de structuur achter iets of met het bouwwerk van …"

"Bij natuurkunde heb je een beetje van alles wat: je moet goed zijn in puzzelen, maar je moet ook grote lijnen kunnen …"

"The last two years have seen the emergence of a beautiful new subject in mathematical physics. It manages to combine …"

"Mirror symmetry is concerned with counting the number of holomorphic curves on Calabi-Yau manifolds, i.e. compact Käh…"

"I would be willing to bet that whatever formulations of quantum field theory we have now are preliminary ..."

"It may well be said that Lorentz was regarded by all theoretical physicists as the world's leading spirit, who comple…"

"The term relativity refers to time and space. According to Galileo and Newton, time and space were absolute entities,…"

"Lorentz made an important addition to his original theory. He introduced changes in time. Clocks, he said, would be s…"

"Einstein's theory has the very highest degree of æsthetic merit: every lover of the beautiful must wish it to be true…"