Today’s businesses are no longer linear. In agile project management environments where productivity and efficacy are measured by continuous successful integrations and releases, it becomes imperative for good managers and leaders to have a comprehensive and straight forward picture of how every such iteration progresses. Successful project management is ensuring that every little detail of a project in planning, executing, collaborating, and controlling is monitored within the time and budget constraints. Here's the list of 20 quotes that inspire project managers.