Courage does not always roar. Sometimes, it is the quiet voice at the...

Who said "Courage does not always roar. Sometimes, it is the quiet voice at the... "?

"Courage does not always roar. Sometimes, it is the quiet voice at the... " is one of a famous quotes by Channing Pollock. Complete quote is as follows;
"Courage does not always roar. Sometimes, it is the quiet voice at the end of the day saying, I will try again tomorrow. Calm self-confidence is as far from conceit as the desire to earn a decent living is remote from greed."

What is "Courage does not always roar. Sometimes, it is the quiet voice at the... "?

"Courage does not always roar. Sometimes, it is the quiet voice at the end of the day saying, I will try again tomorrow. Calm self-confidence is as far from conceit as the desire to earn a decent living is remote from greed." This is a quote by Channing Pollock which is about Leadership, Motivational & Wisdom. He is known to have been associated with numerous other thought provoking quotes on these topics like;

• Leadership is the other side of the coin of loneliness, and he who is a leader must always act alone. And acting alone, accept everything alone.
• Leadership is the art of getting someone else to do something you want done because he wants to do it.
• Age is an issue of mind over matter. If you don't mind, it doesn't matter.

What does "Courage does not always roar. Sometimes, it is the quiet voice at the... " mean?

This quote is primarily about Wisdom although it also includes other themes like Leadership, Motivational & Wisdom. It is attributed to Channing Pollock. Complete quote is as follows;
"Courage does not always roar. Sometimes, it is the quiet voice at the end of the day saying, I will try again tomorrow. Calm self-confidence is as far from conceit as the desire to earn a decent living is remote from greed."