A very wise old teacher once said: I consider a day's teaching wasted if we do not all have one hearty laugh.
Gilbert HighetYou [the teacher] do not merely insert a lot of facts, if you teach them [the students] properly. It is not like injecting 500 cc. of serum, or administering a year's dose of vitamins.
Gilbert HighetThe real duty of man is not to extend his power or multiply his wealth beyond his needs, but to enrich and enjoy his imperishable possession: his soul.
Gilbert Highet