The best Quotations

I have found that most of the things i want from living i must get from people.
- Robert Conklin

Do you know the writers of the following quotations?

Quotation The longer I live the more I see that I am never wrong about anything, and that all the pains that I have so humbly taken to verify my notions have only wasted my time. - writer
Quotation Marriage is the torment of one, the felicity of two, the strife and enmity of three. - writer
Quotation He who passively accepts evil is as much involved in it as he who helps to perpetrate it. - writer
Quotation Nations without a past are contradictions in terms. What makes a nation is the past, what justifies one nation against others is the past, and historians are the people who produce it. - writer
Quotation Where I am not understood, it shall be concluded that something very useful and profound is couched underneath. - writer
Quotation It may be the cock that crows, but it is the hen that lays the eggs. - writer