a great list

They may be short one-liners but are great words to ponder:

The great sin -- Gossip.

The great crippler -- Fear.

The greatest mistake -- Giving up.
The most satisfying experience -- Doing your duty first.
The best action -- Keep the mind clear and judgement good.
The greatest blessing -- Good health.
The biggest fool - The man who lies to himself.
The great gamble -- Substituting hope for facts.
The most certain thing in life -- Change.
The greatest joy -- Being needed.
The cleverest man -- The one who does what he thinks is right.
The most potent force -- Positive thinking.
The greatest opportunity -- The next one.
The greatest thought -- God.
The greatest victory -- Victory over self.
The best play -- Successful work.
The greatest handicap -- Egotism.
The most expensive indulgence -- Hate.
The most dangerous man -- The liar
The most ridiculous trait -- False pride.
The greatest loss -- Loss of self confidence.
The greatest need -- Common sense.

source: By Jack Yianitsas, Laws Of Success