Do or do not. There is no ...

Do or do not. There is no try,\
Do or do not. There is no try," says Yoda, the bewitching philosopher warrior created by George Lucas in Star Wars. Yoda is quoted at least as often as the founding fathers on this topic.
 Jerry I. Porras

More phrases

Courage - a perfect sensibility of the measure of danger, and a mental willingness to endure it.
 William Tecumseh Sherman
Feeling, in the broad sense of whatever is felt in any way, as sensory stimulus or inward tension, pain, emotion or intent, is the mark of mentality.
 Susanne Katherina Langer
In that period, we had the Cold War mentality imbued through us - the Post-war [environment] and the Cold War. I think we were reflecting some of that. This was before the Wall collapsed, etc.
 Stephen Mallinder
The kind of group mentality that we had lived under since the Second World War is starting to erupt, and the craving for individualism is now much stronger. It's not as taboo anymore, as it was when I was younger.
 Nicolas Winding Refn
I come out of a Cold War sensibility, a Cold War mentality, and during those Cold War years, I used to know, I thought, the answers to everything. And since the end of the Cold War, I'm just a dumb as everyone else.
 Jules Feiffer

Quotes from the same author

Extraordinary individuals take one step back and two steps forward with most every challenge-and sometimes two steps back to one step forward. They harvest useful lessons and knowledge from what doesn't work, and they display a remarkable resiliency; and ability to bounce back from adversity.
 Jerry I. Porras
When you put together deep knowledge about a subject that intensely matters to you, charisma happens. You gain courage to share your passion, and when you do that, folks follow.
 Jerry I. Porras
Builders insist that success may never come without a compelling personal commitment to something you care about and would be willing to do with or without counting on wealth, fame, power, or public acceptance as an outcome.
 Jerry I. Porras