Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.
A culture of accountability drives performance.
The secret of all effective advertising is not the creation of new and tricky words and pictures, but one of putting familiar words and pictures into new relationships.
In the state of nature, indeed, all men are born equal, but they cannot continue in this equality. Society makes them lose it, and they recover it only by the protection of the laws.
"A life without reflection is a life half-lived."