Things which matter most must never be at the mercy of things which matter least.
It is a wise man that does know the contented man is never poor, whilst the discontented man is never rich.
Knowing yourself is the beginning of all wisdom.
Only from the heart can you touch the sky.
Tact is the knack of making a point without making an enemy.
Men become wise just as they become rich, more by what they save than by what they receive.
Wisdom begins at the end.
It is necessary to keep one's compass in one's eyes and not in the hand, for the hands execute, but the eye judges.
The greatest minds are capable of the greatest vices as well as of the greatest virtues.
There is nothing more uncommon than common sense.
Act as if the maxim of your action were to become through your will a general natural law
I've never known any trouble than an hour's reading didn't assuage.
The oldest, shortest words- 'yes' and 'no'- are those which require the most thought.
Courage, above all things, is the first quality of a warrior.
Mistakes are always forgivable, if one has the courage to admit them.
An understanding of the natural world is a source of not only great curiosity, but great fulfilment.
Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful.
If you are a parent, open doors to unknown directions to the child so he can explore. Don't make him afraid of the unknown,give him support.
Knowledge speaks, but wisdom listens
We sometimes congratulate ourselves at the moment of waking from a troubled dream; it may be so the moment after death.
You cannot truly listen to anyone and do anything else at the same time.