The best Quotations

In matters of truth and justice, there is no difference between large and small problems, for issues concerning the treatment of people are all the same.
- Albert Einstein

Do you know the writers of the following quotations?

Quotation Do I contradict myself? Very well then I contradict myself, (I am large, I contain multitudes). - writer
Quotation Living is like working out a long addition sum, and if you make a mistake in the first two totals you will never find the right answer. It means involving oneself in a complicated chain of circumstances. - writer
Quotation Nothing is greater or more fearful sacrilege than to prostitute the great name of God to the petulancy of an idle tongue. - writer
Quotation We have all the light we need, we just need to put it in practice. - writer
Quotation An American cannot converse, but he can discuss, and his talk falls into a dissertation. He speaks to you as if he was addressing a meeting; and if he should chance to become warm in the discussion, he will say ''Gentlemen'' to the person with whom he is conversing. - writer
Quotation If we study the lives of great men and women carefully and unemotionally we find that, invariably, greatness was developed, tested and revealed through the darker periods of their lives. One of the largest tributaries of the RIVER OF GREATNESS is always the STREAM OF ADVERSITY. - writer