Self-love, which concerns itself only with ourselves, is content to satisfy our own needs; but selfishness, which is always comparing self with other… - Jean-Jacques Rousseau

Self-love, which concerns itself only with ourselves, is content to satisfy our own needs; but selfishness, which is always comparing self with others, is never satisfied and never can be; for this feeling, which prefers ourselves to others, requires that they should prefer us to themselves, which is impossible.

El juego no es más que un recurso de las personas que se fastidian.

There is, I feel, an age at which the individual man would want to stop: you wi l seek the age at which you would desire your Species had stopped. Discontented with your present state for reasons that foretell even greater discontents for your unhappy Posterity, perhaps you would want to be able to go backward in time. This sentiment must be the Eulogy of your first ancestors, the criticism of your contemporaries, and the dread of those who will have the unhappiness to live after you.

If I had remained free, obscure, and alone placed in the situation Nature designed me for, I should have done nothing but what was right, for my heart bears not the feeds of any mischievous passion. Had I been invisible and powerful as the Almighty, I should have been benevolent and good like him: it is power and freedom that make good men, weakness and slavery never made any but wicked ones.