To teach oneself to pray with kavanah, the words of davening must be meaningful to him. The basic translation won’t suffice, rather he must understand what he is really saying. One must also train himself to concentrate. Every day he should choose one little area to go slow in for three minutes; let the people keep on galloping, he’s standing still and thinking in that one ברכה, learning how to concentrate. After a while, it will become easier and easier to keep one’s mind concentrated for longer periods of time.