An inch of time on the sundial is worth more than a foot of jade.

To acknowledge our faults when we are blamed, is modesty; to discover them to one's friends in ingenuousness, is confidence; but to preach them to all the world, if one does not take care, is pride.

Old age, believe me, is a good and pleasant thing. It is true you are gently shouldered off the stage, but then you are given such a comfortable front stall as spectator.

I hear and I forget. I see and I remember. I do and I understand.

He who remembers from day to day what he has yet to learn, and from month to month what he has learned already, may be said to have a love of learning.

All things are already complete in oneself.

It is when those who are not strong enough have made some moderate amount of progress that they fail and give up.