The best Quotations

To know yet to think that one does not know is best; not to know yet to think that one knows will lead to difficulty.
- Lao-Tzu

Do you know the writers of the following quotations?

Quotation He has half the deed done who has made a beginning - writer
Quotation It is not clear that intelligence has any long-term survival value. - writer
Quotation Love is the emblem of eternity; it confounds all notion of time; effaces all memory of a beginning, all fear of an end. - writer
Quotation Don't matter how much money you got, there's only two kinds of people: there's saved people and there's lost people. - writer
Quotation Wisdom is like electricity. There is no permanently wise man, but men capable of wisdom, who, being put into certain company, or other favorable conditions, become wise for a short time, as glasses rubbed acquire electric power for a while. - writer
Quotation You're never beaten until you admit it. - writer