But there is a corollary to freedom and that's personal responsibility, and the real challenge is how you generate that personal responsibility without imposing it. Esther Dyson
The real challenge in crafting strategy lies in detecting subtle discontinuities that may undermine a business in the future. And for that there is no technique, no program, just a sharp mind in touch with the situation. Henry Mintzberg
I find it some of the hardest photography and the most challenging photography I've ever done. It's a real challenge to work with the natural features and the natural light. Galen Rowell
And I think it's a real challenge to be up there sometimes with only a keyboard if they don't have a grand piano... and to try to win people over that way. It's really hard. Chantal Kreviazuk
My favorite instrument is the snare drum. In Scotland, the snare drum is very prominent in Highland bands. The Scottish style of playing is in my blood. It's a very powerful instrument, but it can also be soothing, like velvet. It's a real challenge for composers. Evelyn Glennie
I really enjoy comedy. It's a real challenge. Ted Levine