Bill Hybels said this quote

Pray when you're alone. Pray when you're with a lot of people. Pray when you're in small groups. Pray on your way in; pray on your way out. Pray in your closet, in your car, at your desk. Pray morning prayers, pray mealtime prayers, pray in between mealtimes. Pray fervently, expectantly, and unself-consciously. Pray when you're burdened, worried, sick, or brokenhearted. Pray when you're soaring, setting records, or dancing on a mountaintop. Pray when you're up, and pray when you're down. Pray when you're healthy, when you're sick, when you feel like it, and when you don't. (Especially when you don't.)