Never let your persistence and passion turn into stubbornness and ignorance.

Never let your persistence and passion turn into stubbornness and ignorance.

The living man who does not learn, is dark, dark, like one
walking in the night.

The living man who does not learn, is dark, dark, like one
walking in the night.

The only thing more expensive than education is ignorance.

The only thing more expensive than education is ignorance.

He who joyfully marches to music in rank and file has already earned my contempt. He has been given a read more

He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would surely suffice.

Ignorance and inconsideration are the two great causes of the ruin of mankind

Ignorance and inconsideration are the two great causes of the ruin of mankind

If ignorance is bliss, there should be more happy people.

If ignorance is bliss, there should be more happy people.

To be ignorant of one's ignorance is the malady of the ignorant.

To be ignorant of one's ignorance is the malady of the ignorant.

There is nothing more frightful than an active ignorance.
[Ger., Es ist nichts schrecklicher als eine thatige
Unwissenheit.]

There is nothing more frightful than an active ignorance.
[Ger., Es ist nichts schrecklicher als eine thatige
Unwissenheit.]

There is no reply to the ignorant like keeping silence

There is no reply to the ignorant like keeping silence