748 – “When you realize the value of all life, you dwell less on what is past and concentrate more on the preservation of the future.”

–Dian Fossey [Attributed]

704 – “The wise learn many things from their enemies; for caution preserves all things. From a friend you could not learn this, but your foe immediately obliges you to learn it.”

–Aristophanes

670 – “Облетев Землю в корабле-спутнике, я увидел, как прекрасна наша планета. Люди, будем хранить и преумножать эту красоту, а не разрушать её!”

“Orbiting Earth in the spaceship, I sae how beautiful our planet is. People, let us preserve and increase this beauty, not destroy it!”

–Yuri Gagarin