The ultimate destiny of the human race is the greatest moral perfection, provided that it is achieved through human freedom, whereby alone man is capable of the greatest happiness.
Thinking in pictures precedes thinking in words.
I am myself by inclination an investigator.
An action, to have moral worth, must be done from duty.
We are not rich by what we possess but by what we can do without.
Life is the faculty of spontaneous activity, the awareness that we have powers.