Guerrilla wars and even more so terrorist assaults are conducted only by forces with insufficient strength to carry out a real war.

Women have seldom sufficient employment to silence their feelings a round of little cares or vain pursuits frittering away all strength of mind and organs they become naturally only objects of sense.

Thus so wretched is man that he would weary even without any cause for weariness... and so frivolous is he that though full of a thousand reasons for weariness the least thing such as playing billiards or hitting a ball is sufficient enough to amuse him.

I am now quite cured of seeking pleasure in society be it country or town. A sensible man ought to find sufficient company in himself.

If we wish to preserve a free society it is essential that we recognize that the desirability of a particular object is not sufficient justification for the use of coercion.

Society is like the air necessary to breathe but insufficient to live on.

Oh the ignorance of us upon whom Providence did not sufficiently smile to permit us to be born in New England.

Science is a self-sufficient activity.

The capacity of the female mind for studies of the highest order cannot be doubted having been sufficiently illustrated by its works of genius of erudition and of science.

If I were sufficiently romantic I suppose I'd have killed myself long ago just to make people talk about me. I haven't even got the conviction to make a successful drunkard.