Read the best books first, or you may not have a chance to read them at all.

Never look back unless you are planning to go that way.

We can conceive of nothing more fair than something which we have experienced.

They will wait, well disposed, for others to remedy evil, that they may no longer have have it to regret.

Observation is so wide awake, and facts are being so rapidly added to the sum of human experience, that it appears as if the theorizer would always be in arrears, and were doomed forever to arrive at imperfect conclusion; but the power to perceive a law is equally rare in all ages of the world, and depends but little on the number of facts observed.

If I wished to see a mountain or other scenery under the most favorable auspices, I would go to it in foul weather, so as to be there when it cleared up; we are then in the most suitable mood, and nature is most fresh and inspiring. There is no serenity so fair as that which is just established in a tearful eye.

Not only must we be good, but we must also be good for something.