Challenge is a dragon with a gift in its mouth?Tame the dragon and the gift is yours.
To repeat what others have said, requires education; to challenge it, requires brains.
Work saves us from three great evils: boredom, vice and need.
Wit makes its own welcome, and levels all distinctions. No dignity, no learning, no force of character, can make any stand against good wit.
There are sadistic scientists who hurry to hunt down errors instead of establishing the truth.
The lion and the calf shall lie down together but the calf won't get much sleep.
Things are only impossible until they're not.