To have doubted one's own first principles, is the mark of a civilized man.

To have doubted one's own first principles, is the mark of a civilized man.

I follow my law and fulfil it all duly--and look! when your
doubt runneth high--
North points to read more

I follow my law and fulfil it all duly--and look! when your
doubt runneth high--
North points to the needle!

The wound of peace is surety,
Surety secure; but modest doubt is called
The beacon of the read more

The wound of peace is surety,
Surety secure; but modest doubt is called
The beacon of the wise, the tent that searches
To th' bottom of the worst.

There is nothing more dreadful than the habit of doubt. Doubt separates people. It is a poison that disintegrates friendships read more

There is nothing more dreadful than the habit of doubt. Doubt separates people. It is a poison that disintegrates friendships and breaks up pleasant relations. It is a thorn that irritates and hurts; it is a sword that kills.

Who never doubted, never half believed. Where doubt is, there truth is -- it is her shadow.

Who never doubted, never half believed. Where doubt is, there truth is -- it is her shadow.

Love and doubt have never been on speaking terms.

Love and doubt have never been on speaking terms.

I respect faith, but doubt is what gets you an education.

I respect faith, but doubt is what gets you an education.

Our doubts are traitors and make us lose the good we oft might win, by fearing to attempt

Our doubts are traitors and make us lose the good we oft might win, by fearing to attempt

The doubtful beam long nods from side to side.

The doubtful beam long nods from side to side.