“Reprove your friend in secret and praise him openly.”

All our knowledge has its origin in our perceptions.

Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return.

The length of a man’s outspread arms is equal to his height.

He who possesses most must be most afraid of loss.

He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.

I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do.

The smallest feline is a masterpiece.

He who wishes to be rich in a day will be hanged in a year.

My body will not be a tomb for other creatures.

Where there is shouting, there is no true knowledge.

When taking a selfie, remember the most natural pose is still best.

Fear arises sooner than anything else.

The painter has the Universe in his mind and hands.

There are three classes of people: those who see. Those who see when they are shown. Those who do not see.

The greater the man’s soul, the deeper he loves.

The greatest deception men suffer is from their own opinions.

Just remember somebody is always listening.

Love is the only force capable of transforming an enemy to a friend.

I can be reasonably funny and light-hearted when I’m in the company of good friends, but I’m not a jokesmith. I tend to be quite serious.

I want you to know, John, that you are the most important thing in this world to me.

We’re no longer in the Cold War. Eavesdropping on friends is unacceptable.

Friends are people you can talk to, without words when you have to.

The best feeling in the world is knowing that you actually mean something to someone.

You are who you surround yourself with.