Time is precious, but truth is more precious than time.
Courage is fire, and bullying is smoke.
Every production of genius must be the production of enthusiasm.
Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.
The fool wonders, the wise man asks.
Like all great travellers, I have seen more than I remember, and remember more than I have seen.