... be radical about grace and relentless about truth and resolute about holiness...

Learn to resist but do not be un-moveable in your resistance. Resist like the water.

Sometimes a little song is sweet to hear, even if the orchestra is more accomplished

This is the eternal challenge with ignorance — ignorance can't see itself.

At the very basic level all people are creators. We are all creating at every moment.

More often than you might think, teaching science is inseparable from teaching doubt.

To be great at anything that you do, you have to love it! but also give it your all..

Do not feed children on maudlin sentimentalism or dogmatic religion; give them nature.

.it's a long road when you're on your own ,but there's no better teacher..

In the marathon of life negativity is never as light-footed as a dreamer's sprint.

Be an asset in the lives of others. Put people before things and live from your heart.

[T]eaching has been for me an education (Lord knows what it has been for my students).

Sometimes you have to get away from what you know to discover what you don't know.

You can be an expert any field of study with consistent effort and consistent learning.

The petty worries of theschool room must not be carried to your home or boarding place.