An understanding of the natural world is a source of not only great curiosity, but great fulfilment.

Medicine heals diseases of the body, wisdom frees the soul from passions.

Resist much. Obey little.

Jealousy is the tribute mediocrity pays to genius.

Take care of the pieces well. The whole will take care of itself.

There's no sense in being precise when you don't even know what you're talking about.

Forget not that the earth delights to feel your bare feet and the winds long to play with your hair.

Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.

The use of travelling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are.

I know I am but mortal and so therewhilst prepare myself for death, whensoever it shall please God to send it.

Courage is resistance to fear, mastery of fear - not absence of fear.

It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.

A proverb is much matter distilled into few words.

No man has any natural authority over his fellow men.

The absent are never without fault, nor the present without excuse.

Good advice is always certain to be ignored, but that's no reason not to give it.

Unfortunately, the clock is ticking, the hours are going by. The past increases, the future recedes. Possibilities decreasing, regrets mounting.

Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.

The path to success is to take massive, determined action.

Let there be spaces in your togetherness.

It is divinity that shapes, not only your ends, but also your acts, your words and thoughts.