I have not failed. I’ve just found 10,000 ways that won’t work.
That which does not kill us makes us stronger.
Success is not final, failure is not fatal: it is the courage to continue that counts.
The woods are lovely, dark and deep, but I have promises to keep, and miles to go before I sleep, and miles to go before I sleep.
Nothing that’s worthwhile is ever easy. Remember that.
You gain strength, courage and confidence by every experience in which you really stop to look fear in the face. You are able to say to yourself, 'I have lived through this horror. I can take the next thing that comes along.' You must do the thing you think you cannot do.
If you can’t fly then run, if you can’t run then walk, if you can’t walk then crawl, but whatever you do you have to keep moving forward.
If you are going through hell, keep going.
Pain is temporary. Quitting lasts forever.
You never fail until you stop trying.
It's not that I'm so smart, it's just that I stay with problems longer.
Rivers know this: there is no hurry. We shall get there some day.
The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy.
Our greatest glory is not in never failing, but in rising up every time we fail.
There is a saying in Tibetan, ‘Tragedy should be utilized as a source of strength.’ No matter what sort of difficulties, how painful experience is, if we lose our hope, that’s our real disaster.