Dmitri Mendeleev

1834–1907 · Russian chemist

Topics: science

• I wish to establish some sort of system not guided by chance but by some sort of definite and exact principle.

  — Dmitri Mendeleev

• We should still expect to discover many unknown simple bodies; for example, those similar to aluminum and silicon, elements with atomic weights of 65 to 75.

  — Dmitri Mendeleev

• In science we must all submit not to what seems to us attractive from one point of view or another, but to what represents an agreement between theory and experiment.

  — Dmitri Mendeleev

• I have no need of proof. The laws of nature, unlike the laws of grammar, admit of no exception.

  — Dmitri Mendeleev