850. No circumstance can be too pressing for the strong-willed.

- Sujit Mukerji

849. If we examine our thoughts, we shall find them always occupied with the past and the future.

848. Failure to prepare is preparing to fail.

847. Once you've accumulated sufficient knowledge to get by, you're too old to remember it.

846. My physical limitations are forgotten—my world lies upward, the length and the breadth and the sweep of the heavens are mine!

- Helen Keller

845. The difference between a successful person and others is not lack of strength not a lack of knowledge but rather a lack of will.

– Vince Lombardi

844. The only bad thing about keeping on burning your bridges behind you is that the world is round.

843. Predicting rain doesn’t count. Building arks does.

- Warren Buffett

842. Keep your conscious mind focused on what you want, and your subconscious mind will unerringly guide you to it.

841. Minds are like parachutes - they only function when open.