The only good is knowledge, and the only evil is ignorance.

The quality of a leader is reflected in the standards they set for themselves.

To make no mistakes is not in the power of man, but from their errors and mistakes, the wise and good learn wisdom for the future.

Management is doing things right; leadership is doing the right things.

When your values are clear to you, making decisions becomes easier.

In youth we learn; in age we understand.

Problems are only opportunities in work clothes.

Wonder rather than doubt is the root of all knowledge.

A genuine leader is not a searcher for consensus but a molder of consensus.

You learn every time you write a book, and then you take that new knowledge and experience into the next book. Hopefully, every time, you raise the bar.