I don't think you can ever stop learning. There's always something new to discover.

Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people will die tomorrow night and won't see the sun of the day after tomorrow.

The more you praise and celebrate your life, the more there is in life to celebrate.

Psychological concepts must prove their worth in action.

Collaboration across disciplines is essential to solving the world's energy challenges.

Leadership in mining means making tough decisions that benefit all stakeholders, not just shareholders.

Quality is never an accident; it is always the result of intelligent effort.