If you know, say you know. If you don't know, say you don't know.

I am not an originator but a transmitter.

Ask yourself constantly, "What is the right thing to do?" Behave toward everyone as if receiving a great guest.

The Master was entirely free from four things: prejudice, foregone conclusions, obstinacy, and egoism.

What you know, you know, what you don't know, you don't know. This is true wisdom.

When you have faults, do not fear to abandon them.

The parents age must be remembered, both for joy and anxiety.