Knowing yourself is the beginning of all wisdom.
A single lie destroys a whole reputation of integrity.
Honesty is the first chapter in the book of wisdom.
It was a melancholy secret that reality can arouse desires but never satisfy them.
I believe that one defines oneself by reinvention. To not be like your parents. To not be like your friends. To be yourself. To cut yourself out of stone.
Science may set limits to knowledge, but should not set limits to imagination.
In anger we should refrain both from speech and action.
All great achievements require time.
Do not reveal what you have thought upon doing, but by wise council keep it secret being determined to carry it into execution.
No one can make you feel inferior without your consent.
One new feature or fresh take can change everything.
The use of travelling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are.
Muddy water is best cleared by leaving it alone.
What lies behind us and what lies ahead of us are tiny matters compared to what lives within us.
Think globally, act locally.
Real knowledge is to know the extent of one's ignorance.
If we do not lay out ourselves in the service of mankind whom should we serve?
The very essence of instinct is that it's followed independently of reason.
Power always thinks it has a great soul and vast views beyond the comprehension of the weak.
Courage, above all things, is the first quality of a warrior.
One who loses wealth loses much. One who loses a friend loses more. But one who loses courage loses all.