When Kepler found his ...

When Kepler found his long-cherished belief did not agree with the most precise observation, he accepted the uncomfortable fact. He preferred the hard truth to his dearest illusions, that is the heart of science.
When Kepler found his long-cherished belief did not agree with the most precise observation, he accepted the uncomfortable fact. He preferred the hard truth to his dearest illusions, that is the heart of science.

More phrases

Who sows virtue reaps honor.
He who conquers himself is the mightiest warrior.
The fixed determination to have acquired the warrior soul, to either conquer or perish with honor, is the secret of victory.
 George S. Patton
We are all warriors. Each of us struggles every day to define and defend our sense of purpose and integrity, to justify our existence on the planet and to understand, if only within our own hearts, who we are and what we believe in.
 Steven Pressfield
See first with your mind, then with your eyes, and finally with your body.
 Yagyu Munenori

Quotes from the same author

Imagination will often carry us to worlds that never were. But without it we go nowhere.
For small creatures such as we the vastness is bearable only through love.
If the constellations had been named in the twentieth century, I suppose we would see bicycles and refrigerators in the sky.
Probably a dozen times since their death I've heard my mother or father, in an ordinary conversational tone of voice, call my name. They had called my name often during my life with them ... It doesn't seem strange to me.
The method of science is tried and true. It is not perfect, it's just the best we have. And to abandon it, with its skeptical protocols, is the pathway to a dark age.