9757. 'Their pillars, and the bases of these, ten' means the quantity also of supporting forms of good, and of truths springing from these, needed for the purposes they have to serve. This is clear from the meaning of 'pillars' as forms of good which provide support, as above in 9747; from the meaning of 'bases' as truths springing from good which also provide support, dealt with above in 9748; and from the meaning of 'ten' as a sufficient amount or the amount needed for the purposes they have to serve. The situation with the forms of good and the truths that provide support is similar to that with the actual truths that are being supported, 9756; therefore 'ten' here implies much the same as 'fifty' or 'five', that is to say, the amount needed for the purposes they have to serve. Ten is also a product of five when multiplied, being the double of it, and multiple numbers are similar in meaning to the simple ones which are their factors, 5291, 5335, 5708, 7973.