The mighty desert is burning for the love of a blade of grass who shakes her head and laughs and flies away.

"The journey of a thousand miles begins with a single step."

"You’re not alone, don’t give up."

A leader has the vision and conviction that a dream can be achieved. He inspires the power and energy to get it done.

The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.