He that cannot reason is a fool. He that will not is a bigot. He that dare not is a slave.

Be curious, not judgmental.

It is not enough to have a good mind; the main thing is to use it well.

Judge a man by his questions rather than by his answers.

There are things known and there are things unknown, and in between are the doors of perception.

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

I have had good experience and trial of this world...I know what it is to be a subject, what to be a sovereign, what to have good neighbours, and sometimes meet evil willers. I have found treason in trust, seen great benefits little regarded.

If we know exactly where we're going, exactly how to get there, and exactly what we'll see along the way, we won't learn anything.

Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.

True knowledge lies in knowing how to live.

The greatest power we have is the power of choice.

Having a great intellect is no path to being happy.

Early to bed and early to rise, Makes a man healthy, wealthy, and wise.

Nobody made a greater mistake than he who did nothing because he could do only a little.

It is necessary to keep one's compass in one's eyes and not in the hand, for the hands execute, but the eye judges.

I think about the meaning of pain. Pain is personal. It really belongs to the one feeling it. Probably the only thing that is your own. I like mine.

Sometimes you will never know the value of a moment until it becomes a memory.

Love one another, but make not a bond of love: Let it rather be a moving sea between the shores of your souls.

The only real mistake is the one from which we learn nothing.

Only idiots refuse to change their minds.

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