Dmitri Mendeleev Quote

While science is pursuing a steady onward movement, it is convenient from time to time to cast a glance back on the route already traversed, and especially to consider the new conceptions which aim at discovering the general meaning of the stock of facts accumulated from day to day in our laboratories.


The Periodic Law of the Chemical Elements, Journal of the Chemical Society, Volume 55, 1889 (p. 634)


While science is pursuing a steady onward movement, it is convenient from time to time to cast a glance back on the route already traversed, and...

While science is pursuing a steady onward movement, it is convenient from time to time to cast a glance back on the route already traversed, and...

While science is pursuing a steady onward movement, it is convenient from time to time to cast a glance back on the route already traversed, and...

While science is pursuing a steady onward movement, it is convenient from time to time to cast a glance back on the route already traversed, and...