There is nothing inhuman, evil, or irrational which does not give some comfort, provided it is shared by a group.

It seems that great minds a hundred years ago saw what would happen today or tomorrow, while we to whom it is happening blind ourselves in order not to be disturbed in our daily routine.

I want to mention that Marx shares something, if you don't mind the comparison, with the Old Testament: many people talk about him, but nobody has read him.

To love one person productively means to be related to his human core, to him as representing mankind. Love for one individual, in so far as it is divorced from love for man, can refer only to the superficial and to the accidental; of necessity it remains shallow.

One of the worst forms of mental suffering is boredom, not knowing what to do with oneself and one's life. Even if man had no monetary, or any other reward, he would be eager to spend his energy in some meaningful way because he could not stand the boredom which inactivity produces.

Immature love says: 'I love you because I need you.' Mature love says 'I need you because I love you.'

Integrity simply means a willingness not to violate one's identity, in the many ways in which such violation is possible.