Konstantin Tsiolkovsky
Man must at all costs overcome the Earth's gravity and have, in reserve, the space at least of the Solar System.
More quotes and aphorisms
The more they applaud, the bigger your salary will be...When you show deep empathy toward others...People always tell you, 'Be humble. Be humble.'...At one point, people are going to have to realize...Only great minds can afford a simple style...You change the world by being yourself...