“Don’t do whatever you are able of, however try to do whatever you are capable of, the best you can; your boundaries are flexible try to move to upper levels.”

Source: Brida

page 284
A Million Little Pieces (2003)

Nova Interview

Forbes http://www.forbes.com/sites/mfonobongnsehe/2013/11/13/20-inspirational-quotes-from-the-richest-africans/ 20 Inspirational Quotes from the Richest Africans.

As transcribed in “ We're on our way,” Speech before a mass meeting held at the negro Baptist school in Indianola, Mississippi https://voicesofdemocracy.umd.edu/hamer-were-on-our-way-speech-text/ (September 1964)

Clemente's oft-cited "wasting your time on this earth" admonition, but in a context quite distinct from that of its ubiquitous counterpart (which is likewise contained in this speech—see below); from the opening of his Tris Speaker Memorial Award acceptance speech, delivered on January 29, 1971; as quoted in "800 Turn Out for Baseball Dinner" by Joe Heiling (The Houston Post, January 30, 1971, p. 1-B) and "Post Time: Clemente's Catch Proves Point" by Houston Post sports editor Clark Nealon (The Houston Post, June 18, 1971, p. 5-D).
Other, <big><big>1970s</big></big>, <big>1971</big>
Context: I am a very proud person. Baseball has helped send my brothers and nephews to school. But more than that, baseball has become my whole life. Accomplishment is something you cannot buy. If you have a chance and don’t make the most of it, you are wasting your time on this earth. It is not what you do in baseball or sports, but how hard you try. Win or lose, I try my best.

On how, in one project that she worked on, other actors were given more takes than Woodard in “In Praise of the One-Scene Performance: An Interview with Alfre Woodard” https://www.popmatters.com/176250-in-praise-of-the-one-scene-performance-an-interview-with-alfre-wooda-2495711026.html in Pop Matters (2013 Nov 7)