Theories are usually the over-hasty efforts of an impatient understanding that would gladly be rid of phenomena, and so puts in their place pictures, notions, nay, often mere words.

One must ask children and birds how cherries and strawberries taste.

Willing is not enough, we must do.

It is a maxim of wise government to treat people not as they should be but as they actually are.

Mathematics can remove no prejudices and soften no obduracy. It has no influence in sweetening the bitter strife of parties, and in the moral world generally its action is perfectly null.

Lay hold of life with both hands, whenever thou mayest seize it, it is interesting.

The coward only threatens when he is safe.