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

There is nothing more uncommon than common sense.

Achievement brings its own anticlimax.

To do great things is difficult, but to command great things is more difficult.

Never pick a fight with an ugly person, they've got nothing to lose.

You are not a drop in the ocean. You are the entire ocean, in a drop.

Science is organized knowledge. Wisdom is organized life.

Confidence is contagious. So is lack of confidence.

The most certain sign of wisdom is cheerfulness.

If we can really understand the problem, the answer will come out of it, because the answer is not separate from the problem.

Your visions will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.

Dark and difficult times lie ahead. Soon we must all face the choice between what is right and what is easy.

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

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

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

The cure for pain is in the pain.

What can't be cured must be endured.

As the soft yield of water cleaves obstinate stone, So to yield with life solves the insolvable: To yield, I have learned, is to come back again.

Where there is anger, there is always pain underneath.

Learn from the mistakes of others. You can never live long enough to make them all yourself.

Experience is merely the name men gave to their mistakes.