We may encounter many defeats but we must not be defeated.
There are things known and there are things unknown, and in between are the doors of perception.
It is the mark of an educated mind to be able to entertain a thought without accepting it.
No man has any natural authority over his fellow men.
Man is not the creature of circumstances, Circumstances are the creatures of men.
There is always time to add a word, never to withdraw one.
One who deceives will always find those who allow themselves to be deceived.
If you only read the books that everyone else is reading, you can only think what everyone else is thinking.
I mistrust the judgement of every man in a case in which his own wishes are concerned.
Every aquarium will eventually leak.
Yesterday is but today's memory and tomorrow is today's dream.
The pendulum of the mind oscillates between sense and nonsense, not between right and wrong.
The smaller the mind, the greater the conceit.
The only limit to our realization of tomorrow will be our doubts of today.
In any moment of decision, the best thing you can do is the right thing. The worst thing you can do is nothing.
Dark and difficult times lie ahead. Soon we must all face the choice between what is right and what is easy.
To me, being an intellectual doesn't mean knowing about intellectual issues; it means taking pleasure in them.
The best way to see Faith is to shut the eye of Reason.
Life's battles don't always go to the stronger or faster man. But sooner or later, the man who wins is the man who thinks he can.
A man is literally what he thinks.
You are the bows from which your children as living arrows are sent forth.