To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force; to fix; as, to concentrate rays of light into a focus; to concentrate the attention.
To increase the strength and diminish the bulk of, as of a liquid or an ore; to intensify, by getting rid of useless material; to condense; as, to concentrate acid by evaporation; to concentrate by washing; -- opposed to dilute.
To approach or meet in a common center; to consolidate; as, population tends to concentrate in cities.
Do not dwell in the past, do not dream of the future, concentrate the mind on the present moment. Buddha
Be thankful for what you have; you'll end up having more. If you concentrate on what you don't have, you will never, ever have enough. Oprah Winfrey
My advice to other disabled people would be, concentrate on things your disability doesn't prevent you doing well, and don't regret the things it interferes with. Don't be disabled in spirit as well as physically. Stephen Hawking
Concentrate all your thoughts upon the work at hand. The sun's rays do not burn until brought to a focus. Alexander Graham Bell
Chess helps you to concentrate, improve your logic. It teaches you to play by the rules and take responsibility for your actions, how to problem solve in an uncertain environment. Garry Kasparov
concentrate in French is concentrons, concentrent, concentrez, concentrer
concentrate in German is konzentrieren, Konzentrat, anreichern
concentrate in Spanish is concentrar
concentrate in Swedish is anrika, koncentrera