I think knowing what you cannot do is more important than knowing what you can.

I think knowing what you cannot do is more important than knowing what you can.

The best current evidence is that media are mere vehicles that deliver instruction but do not influence student achievement any read more

The best current evidence is that media are mere vehicles that deliver instruction but do not influence student achievement any more than the truck that delivers groceries causes change in our nutrition.

No one is entitled to the truth.

No one is entitled to the truth.

Experience is what you get when you don't get what you want.

Experience is what you get when you don't get what you want.

The only thing to do with good advice is to pass it on. It is never of any use to read more

The only thing to do with good advice is to pass it on. It is never of any use to oneself.

Simplicity is the final achievement. After one has played a vast quantity of notes and more notes, it is read more

Simplicity is the final achievement. After one has played a vast quantity of notes and more notes, it is simplicity that emerges as the crowning reward of art.

Most of us ask for advice when we know the answer but we want a different one.

Most of us ask for advice when we know the answer but we want a different one.

Discretion of speech is more than eloquence, and to speak agreeably to him with whom we deal is more than read more

Discretion of speech is more than eloquence, and to speak agreeably to him with whom we deal is more than to speak in good words, or in good order.

Like Olympic medals and tennis trophies, all they signified was that the owner had done something of no benefit to read more

Like Olympic medals and tennis trophies, all they signified was that the owner had done something of no benefit to anyone more capably than everyone else.