All that was meant by the phrase was that mathematics has not to do with notions, but with abstract qualities of sense-perceptions.
这句话的意思不外是说,数学要研究的不是概念,而是感性直观的抽象规定。
2
When meditation produces extraordinary senseperceptions, the mind gains confidence and this helps perseverance.
当沉思冥想产生异常的官能感受,心里更加确信这一切是神的恩典。
3
If you become lost in thoughts, the moment you notice it, just return your attention to the movement of your body, your breathing and the various senseperceptions.