impossibility

I have learned to use the word impossible with the greatest caution.

'Impossible' is not a scientific term.

It's kind of fun to do the impossible.

It is not a lucky word, this name impossible; no good comes of those who have it so often in their mouths.

Poverty of goods is easily cured; poverty of soul impossible.

What is the first business of one who practices philosophy? To get rid of self-conceit. For it is impossible for anyone to begin to learn that which he thinks he already knows.

Some of the world's greatest feats were accompanied by people not smart enough to know they were impossible.

Everything good and bad comes from your own mind. To find something beyond the mind is impossible.

You know what you are actually in love with? Integrity. The impossible. The clean, consistent, reasonable, self-faithful, the all-of-one-style, like a work of art.

Teamwork is so important that it is virtually impossible for you to reach the heights of your capabilities or make the money that you want without becoming very good at it.