One painful duty fulfilled makes the next plainer and easier.

I believe humility is a virtue, but I prefer not to use it unless it is absolutely necessary.

I know no study that will take you nearer the way to happiness than the study of nature - and I include in the study of nature not only things and their forces, but also mankind and their ways, and the moulding of the affections and the will into an earnest desire not only to be happy, but to create happiness.

Things must be felt with the heart.

Once I knew the depth where no hope was and darkness lay on the face of all things. Then love came and set my soul free. Once I fretted and beat myself against the wall that shut me in. My life was without a past or future, and death a consummation devoutly to be wished. But a little word from the fingers of another fell into my hands that clutched at emptiness, and my heart leaped up with the rapture of living. I do not know the meaning of the darkness, but I have learned the overcoming of it.

Your success & happiness lies in you.

We still have it in our power to rise above the fears, imagined and real, and to shoulder the great burdens which destiny has placed upon us, not for our country alone, but for the benefit of all the world. That is the only destiny worthy of America.