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If I can give you some kind of knowledge of life you should listen.

Listen to many, speak to a few.

I willingly speak to those who know, but for those who do not know I forget.

Those that know, do. Those that understand, teach.

You only know what you know.

I know nothing, except the fact of my ignorance.

I'm a very strong believer in listening and learning from others.

To know what you know and what you do not know, that is true knowledge.

Listen to what you know instead of what you fear.