Sustainability is not just about planting trees; it's about planting the right trees in the right places for the right reasons.

Never underestimate the power of small steps—they lead to big transformations.

Train people well enough so they can leave, treat them well enough so they don't want to.

I could not have parted with you, my Lizzy, to anyone less worthy.

All violence consists in some people forcing others, under threat of suffering or death, to do what they do not want to do.

However difficult life may seem, there is always something you can do and succeed at.

Leadership is about making the tough decisions and standing by them.

It is not the place that makes the person, but the person who makes the place.