A smooth sea never made a ...

A smooth sea never made a skilled sailor.
A smooth sea never made a skilled sailor.

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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

Happiness is not in the mere possession of money; it lies in the joy of achievement, in the thrill of creative effort.
There are many ways of going forward, but only one way of standing still.
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.
When you come to the end of your rope, tie a knot and hang on.
The only limit to our realization of tomorrow will be our doubts of today.