• You can do only one thing at a time. I simply tackle one problem and concentrate all efforts on what I am doing at the moment.

  • Concentration is my motto - first honesty, then industry, then concentration.

  • When an individual fear or apathy passes by the unfortunate, life is of no account.

  • He who feels no compassion will become insane.

  • To compare is not to improve.

  • You know how you hate to be interrupted, so why are you always doing it to me.

  • Extremists think "communication" means agreeing with them.

  • It is good to rub and polish our brain against that of others

  • There cannot be greater rudeness than to interrupt another in the current of his discourse.

  • Conversation is an art in which a man has all mankind for competitors.