把这一句，留给此刻的你
Child psychology and animal psychology are of relatively slight importance, as compared with the sciences which deal with the corresponding physiological problems of ontogeny and phylogeny.
儿童心理学和动物心理学与处理个体发育和系统发育的相应生理问题的科学相比，其重要性相对较低。
A LITTLE ENCOURAGEMENT
给此刻的你，一点向前的力量。
关于学习、善意与成长，读一句，再想一想。
Not only will this make you treat each moment more preciously, but you will be more patient with yourself and with others, recognizing that there are millions of moments on the path to any worthwhile achievement.
这不仅会让你更珍惜每一个时刻，而且你会对自己和他人更有耐心，认识到在通往任何有价值成就的道路上有数百万个时刻。
The purpose of life is a life of purpose.
人生的目的，是过有目标、有意义的生活。
There is a sort of gratification in doing good which makes us rejoice in ourselves.
行善有一种满足感，使我们为自己感到高兴。