That is what learning is. You suddenly understand something you've understood all your life, but in a new way.

The best way to untangle a knotty tangle is not to “untie” the knots， but to keep pulling the loops apart wider and wider. Just make the mess as big， loose and open as possible. As you open up the knots they will unravel themselves. Works on cords， strings， hoses， yarns， or electronic cables.

Sustainability isn't an option; it's a necessity for the survival of our industry.

唯一真正的财富是灵魂的财富。