There's no point in burying a hatchet if you're going to put up a marker on the site.

Good teaching must be slow enough so that it is not confusing, and fast enough so that it is not boring.

More trouble is caused in this world by indiscreet answers than by indiscreet questions.

And most of the failures in parent-child relationships, from my observation, begin when the child begins to acquire a mind and a will of its own, to make independent decisions and to question the omnipotence or the wisdom of the parent.

The greatest enemy of progress is not stagnation, but false progress.

The best combination of parents consists of a father who is gentle beneath his firmness, and a mother who is firm beneath her gentleness.

Ignorance per se is not nearly as dangerous as ignorance of ignorance.