There's something about a roller coaster that triggers strong feelings, maybe because most of us associate them with childhood. They're inherently cinematic; the very shape of a coaster, all hills and valleys and sickening helices, evokes a human emotional response. Diablo Cody
Regard your soldiers as your children, and they will follow you into the deepest valleys; look on them as your own beloved sons, and they will stand by you even unto death. Sun Tzu
Athletes are sort of part of the community at large. They have to be dedicated to what they do, and go through lots of peaks and valleys. And there's a lot of training that goes into their careers. It's a struggle. Very dramatic. Dennis Quaid
Life has evolved to thrive in environments that are extreme only by our limited human standards: in the boiling battery acid of Yellowstone hot springs, in the cracks of permanent ice sheets, in the cooling waters of nuclear reactors, miles beneath the Earth's crust, in pure salt crystals, and inside the rocks of the dry valleys of Antarctica. Jill Tarter
Transformation is a process, and as life happens there are tons of ups and downs. It's a journey of discovery - there are moments on mountaintops and moments in deep valleys of despair. Rick Warren