Determination is a character trait where you are intent on achieving a goal. 

Here are several famous quotes on determination

“Our greatest glory is not in never falling but in rising every time we fall.” Confucius

“Kites rise highest against the wind, not with it.” Winston Churchill

“Never stop. One stops as soon as something is about to happen.” Peter Brock

“Stop looking for your purpose . . . Be it!” Dr. Wayne Dyer

“Always bear in mind that your own resolution to success is more important than any other one thing.” Abraham Lincoln

“The Wright brothers flew right through the smoke screen of impossibility.” Charles F. Kettering

“Your opponent, in the end, is never really the player on the other side of the net, or the swimmer in the next lane, or the team on the other side of the field, or even the bar you must high-jump. Your opponent is yourself, your negative internal voices, your level of determination.” Grace Lichtenstein

“Act as if it were impossible to fail.” Dorothea Brand