Strenuous intellectual work and the study of God's Nature are the angels that will lead me through all the troubles of this life with consolation, strength, and uncompromising rigor.
The more modest its intellectual ballast, the more exclusively it takes into consideration the emotions of the masses, the more effective [propaganda] will be.
The religion which is to guide and fulfill the present and coming ages, whatever else it be, must be intellectual. The scientific mind must have a faith which is science.
Just as the philanthropist is the nuisance of the ethical sphere, so the nuisance of the intellectual sphere is the man who is so occupied in trying to educate others, that he has never had any time to educate himself.
It recognizes no morality but a sham morality meant for deceit, no honor even among thieves and of a thievish sort, no force but physical force, no intellectual power but cunning, no disgrace but failure, no crime but stupidity.
To be infatuated with the power of one's own intellect is an accident which seldom happens but to those who are remarkable for the want of intellectual power. Whenever Nature leaves a hole in a person's mind, she generally plasters it over with a thick coat of self-conceit.
Intellectual tasting of life will not supersede muscular activity. If a man should consider the nicety of the passage of a piece of bread down his throat, he would starve.