• A healthy mind resides in a healthy body.
• A problem well-defined is a problem half solved.
• When there is a name, you care about it.
• Lethargy comes from overconsumption of either food or thought.
• In the end, it's not the years in your life that count. It's the life in your years.
• We must act according to the situation.
• Tomorrow never comes.
• You cannot live with two centers.
• Speed isn't the same as intelligence, and confidence isn't the same as accuracy.