Optical tambo uye tambo zvakajairika muhupenyu hwedu hwezuva nezuva, ivo vanoita kutaurirana kwedu. Vanhu vazhinji vanoishandisa zvakanyanya, asi kazhinji havagone kunyatsoziva mutsauko.
Muchokwadi, huwandu hukuru hwevanhu hunobata aya marudzi maviri etambo zvakafanana, kunyangwe akataridzika akafanana kune mumwe nemumwe pakutaridzika, iwo akasiyana zvakanyanya.