The voice of the intellect is a soft one, but it does not rest until it has gained a hearing.

Opposition is not necessarily enmity; it is merely misused and made an occasion for enmity.

I am actually not at all a man of science, not an observer, not an experimenter, not a thinker. I am by temperament nothing but a conquistador

Out of your vulnerabilities will come your strength.

The only person with whom you have to compare ourselves, is that you in the past. And the only per-son better you should be, this is who you are now.

When it happens that a person has to give up a sexual object, there quite often ensues an alteration of his ego which can only be described as a setting up of the object inside the ego, as it occurs in melancholia; the exact nature of this substitution is as yet unknown to us.

Men are not gentle, friendly creatures wishing for love, who simply defend themselves if they are attacked, but ... a powerful measure of desire for aggression had to be reckoned as part of their instinctual endowment.