Stop giving your energy to those who give you none in return.
“We set sail on this new sea because there is new knowledge to be gained, and new rights to be won, and they must be won and used for the progress of all people.” — John F. Kennedy
“It’s human nature to stretch, to go, to see, to understand. Exploration is not a choice really; it’s an imperative.”
— Michael Collins, Apollo 11 Astronaut
“Orbiting Earth in the spaceship, I saw how beautiful our planet is. People, let us preserve and increase this beauty, not destroy it.”
— Yuri Gagarin