Konstantin E. Tsiolkovsky Quotes
Konstantin E. Tsiolkovsky Quotes. Below is a collection of famous Konstantin E. Tsiolkovsky quotes. Here you can find the most popular and greatest quotes by Konstantin E. Tsiolkovsky. Share these quotations with your friends and family.
The Earth is the cradle of the mind -- but one cannot eternally live in a cradle.
By Konstantin E. Tsiolkovsky
