All types of knowledge, ultimately mean self knowledge.
The past is no more; the future not yet. Nothing exists except the here and now. Our grand business is not to see what lies dimly at a distance, but to do what lies clearly at our hands.
Willing is not enough, one must apply.
Live a life worth remembering.
Defeat is not defeat unless accepted as a reality-in your own mind.
Running water never grows stale.