All things excellent are as difficult as they are rare.
Whatsoever is contrary to nature is contrary to reason, and whatsoever is contrary to reason is absurd.
Human affairs are so obscure and various that nothing can be clearly known.
It is an unscrupulous intellect that does not pay to antiquity its due reverence.
He who allows oppression shares the crime.
It may easily come to pass that a vain man may become proud and imagine himself pleasing to all when he is in reality a universal nuisance.
Fools are without number.
All happiness or unhappiness solely depends upon the quality of the object to which we are attached by love.
The susceptibility of the average modern to pictorial suggestion enables advertising to exploit his lessened power of judgment.
From whichever angle one looks at it, the application of racial theories remains a striking proof of the lowered demands of public opinion upon the purity of critical judgment.