Asking questions is the first step towards philosophy. -Diderot

Great wisdom is stupid, great wisdom is clumsy, and debate is slow. -Lao Tzu

Know yourself and yourself. -Grandson

Is my slave, should obey my will, for my use. Marx

Knowledge is power, and power is knowledge. bacon

An unlearned person's imagination has only wings but no feet. Franklin

We should absorb useful knowledge like sponges. Kalinin

A husband who is ambitious in the four seas can resign from poverty. -Du Fu

It is difficult to start a business, but it is difficult to persist. -Wu