We do many things carelessly or unwillingly, but nothing studiously unless we are willing and apply ourselves.

It is by doubting that we come to investigate, and by investigating that we recognize the truth.

The key to wisdom is this - constant and frequent questioning, for by doubting we are led to question and by questioning we arrive at the truth.

Nothing can be believed unless it is first understood; and that for any one to preach to others that which either he has not understood nor they have understood is absurd.

Logic has made me hated in the world.

By doubting we come to questioning, and by questioning we perceive the truth.

Be precise in the use of words and expect precision from others

Language is generated by the intellect and generates the intellect.

The beginning of wisdom is found in doubting; by doubting we come to the question, and by seeking we may come upon the truth.

The first key to wisdom is assiduous and frequent questioning.

I preferred the weapons of dialectic to all the other teachings of philosophy, and armed with these, I chose the conflicts of disputation rather than the trophies of war.

If it's working keep doing it. If it's not working stop doing it. If you don't know what to do don't do anything.

Others may try to feed our ego, but it is up to us to constrain it.

To attribute rights to animals is to ignore the purpose and justification of rights - to protect the interests of man.

One has neither independence nor freedom from bondage when he is obligated to others

No man who knows aught, can be so stupid to deny that all men naturally were born free.

He who tip-toes cannot stand; he who strides cannot walk.

A man is more frank and sincere with his emotions than a woman. We girls, I'm afraid, have a tendency to hide our feelings.

Although we human adults are really good at understanding other minds, we weren't always that way. It takes children a long time to break into the system.

I've always been inspired by Japanese style.

To me, a perfect album talks about the hard stuff and the fun and caring stuff.