The gift of the Dhamma exceeds all gifts, because it is the only gift that can result in the attainment of nibbana, the unconditioned.
All other things are impermanent, not-self and for this reason, are to a certain extent, unsatisfactory.
"Do not force others, including children, by any means whatsoever, to adopt your views, whether by authority, threat, money, propaganda, or even education." - Ven. Thich Nhat Hanh
"Whether I were to preach in brief, Sāriputta, or whether I were to preach in detail, Sāriputta, or whether I were to preach both in brief or in detail, Sāriputta, rare are those who understand." (A I 333, Sāriputtasutta)