The most courageous act is still to think for yourself. Aloud.

There is no question climate change is happening. The only arguable point is what part humans are playing in it.

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

Wisdom is not the product of schooling, but of the lifelong attempt to acquire it.

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

Those who can not change their minds can not change anything.

He who conquers others is strong; he who conquers himself is mighty.

Nothing is as easy as it looks.

Knowledge speaks, but wisdom listens

Things which matter most must never be at the mercy of things which matter least.

Appearances often are deceiving.

Admiration is the daughter of ignorance.

Between stimulus and response there is a space. In that space is our power to choose our response. In our response lies our growth and our freedom.

We choose our joys and sorrows long before we experience them.

The smaller the mind, the greater the conceit.

So many people have this idea: I want to achieve something great or be somebody great. And they neglect the step that leads to greatness. They don't honor this step at this moment because they have this idea of some future moment where they are going to be great.

One must wait until the evening to see how splendid the day has been.

Only idiots refuse to change their minds.

Everything excellent is as difficult as it is rare.

Nothing is softer or more flexible than water, yet nothing can resist it.

Having a great intellect is no path to being happy.