Edward Teller was an illustrious Hungarian-American theoretical physicist recognized as the ‘father of hydrogen bomb’. He expressed his thoughts, channelled his works and made a number of contributions to molecular physics, surface physics, nuclear physics and spectroscopy. Though he was a controversial figure, his works and thoughts on nuclear science played a pivotal role. Teller was also an ardent advocate of ‘Ronald Reagan’s Strategic Defence Initiative’. He also became popular for fervently providing controversial technological solutions to both civilian and military problems. Following are some popular quotes and sayings by Edward Teller which are quoted till date and have been excerpted from his works, writings, inventions, researches, thoughts and life. Let us go through the quotes and thoughts by Edward Teller and see what we can learn from them.