I do not want a friend who smiles when I smile, who weeps when I weep; for my shadow in the pool can do better than that.
He who wished to secure the good of others, has already secured his own.
He who requires much from himself and little from others, will keep himself from being the object of resentment.
Have no friends not equal to yourself.
Forget injuries; never forget kindness.
Every truth has four corners: as a teacher I give you one corner, and it is for you to find the other three.
Do not be desirous of having things done quickly. Do not look at small advantages. Desire to have things done quickly prevents their being done thoroughly. Looking at small advantages prevents great affairs from being accomplished.
Learn as though you would never be able to master it: Hold it as though you would be in fear if loosing it.