What we call powers, secrets of nature, and force, are all within. In the external world are only a series of changes.

Only love for the Supreme Lord is true Bhakti. Love for any other being, however great, is not Bhakti. The "Supreme Lord" here means Ishvara, the concept of which transcends what you in the West mean by the personal God. "He from whom this universe proceeds, in whom it rests, and to whom it returns, He is Ishvara, the Eternal, the Pure, the All-Merciful, the Almighty, the Ever-Free, the All-Knowing, the Teacher of all teachers, the Lord who of His own nature is inexpressible Love."

My countrymen should have nerves of steel, muscles of iron, and minds like thunderbolt.

Do not look back upon what has been done. Go Ahead.

As the cause is, so the effect will be.

Books suggest the inner light and the method of bringing that out, but we can only understand them when we have earned the knowledge ourselves. When the inner light has flashed for you, let the books go, and look only within. You have in you all and a thousand times more than is in all the books. Never lose faith in yourself, you can do anything in this universe. Never weaken, all power is yours.

A certain motion becomes understood when it is referred to a force; certain sensations, to matter; certain changes outside, to law; certain changes in thought, to mind; certain order singly, to causation - and joined to time, to law.