[Among the books he chooses, a statesman] ought to read interesting books on history and government, and books of science and philosophy; and really good books on these subjects are as enthralling as any fiction ever written in prose or verse.
I read these words which are the sum of all moral philosophy, and which cut short all the disputes of the casuists: When in doubt if an action is good or bad, refrain.
To mix science up with philosophy is only to produce a philosophy that has lost all its ideal value and a science that has lost all its practical value. It is for my private physician to tell me whether this or that food will kill me. It is for my private philosopher to tell me whether I ought to be killed.
Now many such things may be done without intitling the people to rise in arms. A gross, flagrant, and palpable abuse no doubt will do it, as if they should be required to pay a tax equal to half or third of their substance.
That until the philosophy which holds one race superior and another inferior is finally and permanently discredited and abandoned: That until there are no longer first-class and second class citizens of any nation; That until the color of a man's skin is of no more significance than the color of his eyes; That until the basic human rights are equally guaranteed to all without regard to race; That until that day, the dream of lasting peace and world citizenship and the rule of international morality will remain but a fleeting illusion, to be pursued but never attained.
Whenever philosophy has taken into its plan religion, it has ended in skepticism; and whenever religion excludes philosophy, or the spirit of free inquiry, it leads to willful blindness and superstition.
Philosophers are not honest enough in their work, although they make a lot of virtuous noise when the problem of truthfulness is touched even remotely. They all pose as if they had discovered and reached their real opinions through the self-development of a cold, pure, divinely unconcerned dialectic...; while at bottom it is an assumption, a hunch, indeed a kind of "inspiration" most often a desire of the heart that has been filtered and made abstract that they defend with reasons they have sought after the fact.
And new Philosophy calls all in doubt, the element of fire is quite put out; the Sun is lost, and the earth, and no mans wit can well direct him where to look for it.
To repeat abstractly, universally, and distinctly in concepts the whole inner nature of the world , and thus to deposit it as a reflected image in permanent concepts always ready for the faculty of reason , this and nothing else is philosophy.