I attribute my success to this - I never gave or took any excuse.

I can't change the direction of the wind, but I can adjust my sails to always reach my destination.

If you fell down yesterday, stand up today.

Our work is the presentation of our capabilities.

A great work is made out of a combination of obedience and liberty.

A man should always consider how much he has more than he wants.

The power to question is the basis of all human progress.

Real knowledge is to know the extent of one's ignorance.

A people without the knowledge of their history, origin, and culture is like a tree without roots.

Without knowledge, action is useless and knowledge without action is futile.