Change based on principle is progress. Constant change without principle becomes chaos.

I like progress but I hate change.

The only way a man can remain consistent amid changing circumstances is to change with them while preserving the same dominating purpose.

Power properly understood is nothing but the ability to achieve purpose. It is the strength required to bring about social, political and economic change.

The most serious threat to our institutions comes from those who refuse to face the need for change.

It is wonderful what great strides can be made when there is a resolute purpose behind them.