Perfect friendship is the friendship of men who are good, and alike in excellence; for these wish well alike to each other qua good, and they are good in themselves.

Climbing to the top demands strength, whether it is to the top of Mount Everest or to the top of your career.

There is a sufficiency in the world for man's need but not for man's greed.

There is no substitute for hard work.

Every time we've moved ahead in IBM, it was because someone was willing to take a chance, put his head on the block, and try something new. 

Holding on to anger is like grasping a hot coal with the intent of throwing it at someone else; you are the one who gets burned.

If you are being trolled, you are sticking out your neck for some good cause.

Strive not to be a success, but rather to be of value.

Well begun is half done.

The philosophy of the school room in one generation will be the philosophy of government in the next.

Victory at all costs, victory in spite of all terror, victory however long and hard the road may be; for without victory, there is no survival. 

I started to make a study of the art of war and revolution and, whilst abroad, underwent a course in military training. If there was to be guerrilla warfare, I wanted to be able to stand and fight with my people and to share the hazards of war with them.