We may encounter many defeats ...

We may encounter many defeats but we must not be defeated.
We may encounter many defeats but we must not be defeated.

More phrases

We are in a survival mentality, and that's hard-wired into our humanity, because we are the winners of an evolutionary struggle of millions and millions and millions of years.
 John Shelby Spong
I've always come back from adversity, and I've always had the mentality of proving people wrong.
 David Beckham
I like to challenge hitters with a 'Here it is, hit it,' mentality. It's definitely a big part of my game, especially when I get in situations where I need it. I usually save a little bit so it's there for me.
 Justin Verlander
If a warrior is to succeed at anything, the success must come gently, with a great deal of effort but with no stress or obsession.
A warrior takes his lot, whatever it may be, and accepts it in ultimate humbleness. He accepts in humbleness what he is, not as a grounds for regret but as a living challenge.

Quotes from the same author

If one is lucky, a solitary fantasy can totally transform one million realities.
Prejudice is a burden that confuses the past, threatens the future and renders the present inaccessible.
I love wisdom. And you can never be great at anything unless you love it. Not be in love with it, but love the thing, admire the thing. And it seems that if you love the thing, and you don't just want to possess it, it will find you.
We may encounter many defeats, but we must not be defeated.
All great achievements require time.