I have achieved an inner freedom.

- Dmitri Mendeleev

There exists everywhere a medium in things, determined by equilibrium.

- Dmitri Mendeleev

When the elements are arranged in vertical columns according to increasing atomic weight, so that the horizontal lines contain analogous elements aga…

- Dmitri Mendeleev

There is nothing in this world that I fear to say.

- Dmitri Mendeleev

Work, look for peace and calm in work: You will find it nowhere else. Pleasures flit by -- they are only for yourself; work leaves a mark of long-las…

- Dmitri Mendeleev

No one nor anything can silence me.

- Dmitri Mendeleev

The most all penetrating spirit before which will open the possibility of tilting not tables, but planets, is the spirit of free human inquiry. Belie…

- Dmitri Mendeleev

Knowing how contented, free, and joyful is life in the world of science, one fervently wishes that many would enter its portals.

- Dmitri Mendeleev

No law of nature, however general, has been established all at once; its recognition has always been preceded by many presentiments.

- Dmitri Mendeleev