Age is an issue of mind over matter. If you don't mind, it doesn't matter.

If you have a really good idea, stick to it, but be flexible on how you get there. Be stubborn on your vision but flexible on the details... People who are right a lot change their mind... They have the same data set that they had at the beginning, but they wake up, and they re-analyze things all the time, and they come to a new conclusion, and then they change their mind.

There is no limit to the power of the human mind. The more concentrated it is, the more power is brought to bearon one point.

Let us consider, first, the need for a tough mind, characterized by incisive thinking, realistic appraisal, and decisive judgment. The tough mind is sharp and penetrating, breaking through the crust of legends and myths and sifting the true from the false.

All wrong-doing arises because of mind. If mind is transformed can wrong-doing remain?

There is nothing so disobedient as an undisciplined mind, and there is nothing so obedient as a disciplined mind.