You can be all that you wish to be. Go for the challenge.

Challenge conventional wisdom. There is almost always a better way.

To be tested is good. The challenged life may be the best therapist.

The best way to defeat yourself is by challenging your obstacles

To make architecture with any real value is a massive challenge.

As a company grows, communication becomes its biggest challenge.

The problem was just a mean attitude that festers and has to be challenged.

In a fight, If you don't take challenges someone does.

Our social tools are not an improvement to modern society, they are a challenge to it.

Life can be challenging and sad... but music is the easy part.