A person who spends more than he earns is a fool
Accuracy is the twin brother of honesty; inaccuracy, of dishonesty.
Obsession is the wellspring of genius and madness.
A single lie destroys a whole reputation of integrity.
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact
All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.
I know I am but mortal and so therewhilst prepare myself for death, whensoever it shall please God to send it.
How often it is that the angry man rages denial of what his inner self is telling him.
Only from the heart can you touch the sky.
There is no question climate change is happening. The only arguable point is what part humans are playing in it.
For we walk by faith, not by sight
No one cares how much you know, until they know how much you care
A friend to all is a friend to none
By three methods we may learn wisdom: first, by reflection which is noblest; second, by imitation, which is the easiest; and third, by experience, which is the bitterest.
When playing board-games which involve quizzes etc, you will always know the answers to everyone else's set of questions but never your own.
Whatever it is you're seeking won't come in the form you're expecting.
Never ruin an apology with an excuse.
Turn your wounds into wisdom.
Fear doesn't exist anywhere except in the mind.
When you learn, teach, when you get, give.
Achievement brings its own anticlimax.