I have a theory of my own ...
More phrases
Effort only fully releases its reward after a person refuses to quit.
Never complain and never explain.
A good plan violently executed now is better than a perfect plan executed next week.
George S. Patton
Problems are not stop signs, they are guidelines.
Robert Schuller
Never give up, for that is just the place and time that the tide will turn.
Harriet Beecher Stowe
Quotes from the same author
It is useless to talk with those who do not understand one and troublesome to talk with those who criticize from a feeling of superiority. Especially one-sided persons are troublesome. Few are accomplished in many arts and most cling narrowly to their own opinion.
Murasaki Shikibu
One ought not to be unkind to a woman merely on account of her plainness, any more than one had a right to take liberties with her merely because she was handsome
Murasaki Shikibu
You that in far-off countries of the sky can dwell secure, look back upon me here; for I am weary of this frail world's decay.
Murasaki Shikibu
Though the body moves, the soul may stay behind.
Murasaki Shikibu
It is indeed in many ways more comfortable to belong to that section of society whose action are not publicly canvassed and discussed
Murasaki Shikibu